adam bought a number of ping-pong balls in a store in Texas, where a 5% sales tax is added to every purchase. If he didn't have to pay tax, he could have bought more 3 balls for the sam amount of money. How many balls did he buy
Những câu hỏi liên quan
A bag contains indentical balls of different colours.There are 12 red, 10 white, 8 yellow, 3 blue and 2 black balls.Without looking into the bag,John takes out the balls one by one.What is the least number of balls that John must take out from the bag in order to have at least 4 balls of the same colour?
Khi John lấy 5 quả bóng, kết quả có thể là 3 xanh và 2 đen. Chưa được 4 quả cùng màu.
Trong 3 loại đỏ, trắng, vàng còn lại, John phải lấy thêm ít nhất 10 quả nữa để chắc chắn có 4 quả cùng màu vì: 10 chia 3 bằng 3 dư 1. 4 quả ấy bao gồm 3 quả là Thương cộng 1 quả là Dư.
Vậy John phải lấy ít nhất 15 quả bóng để chắc chắn có 4 quả cùng màu.
Đúng 0
Bình luận (0)
Read the passage and choose the best answer to the question.AN EXCITING TRIPI have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never bee...
Đọc tiếp
Read the passage and choose the best answer to the question.
AN EXCITING TRIP
I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.
Where will Tim fly to Perth from?
A. His home town
B. Alice Springs
C. Darwin
D. Australia
A bag contains a total of 15 balls of 5 different colours .Each colours has a unique number of balls in the bag.What is the least number of ball to be picked (without looking) to ensure 3 different coloured ball are picked
The number of balls to get off to a 3 color is:
3 + 3 + 1 = 7 (balls)
Answer: 7 balls
Đúng 0
Bình luận (0)
Xem thêm câu trả lời
Read the passage, decide whether the statements are true (T) or false (F), then answer the questions below.
We all live in a society and are all bound to a neighborhood. Neighborhood is very important and it does definitely have an impact on what we are and how and where we live in. I live in a great and wonderful neighborhood. It is very pleasant and has many facilities. With agood park nearby, making it the main attraction, our neighborhood also has many other added bonuses. The gro...
Đọc tiếp
Read the passage, decide whether the statements are true (T) or false (F), then answer the questions below.
We all live in a society and are all bound to a neighborhood. Neighborhood is very important and it does definitely have an impact on what we are and how and where we live in. I live in a great and wonderful neighborhood. It is very pleasant and has many facilities. With agood park nearby, making it the main attraction, our neighborhood also has many other added bonuses. The grocery store is nearby which makes it easy for all residents to make an immediate purchase, we have a bus stop close by, so that people do not have to travel long for means of transportation. The park is what makes it a lot more beautiful as it is well maintained and makes it a gathering place for all my neighbors in the evening for chit chatting and playing for kids. There is good air and we enjoy the evenings while we are at this park.
A. True/ False statements
1. Neighborhood plays an important role in human’s life .........
2. The grocery store is far from his house .........
3. He needs to travel a long distance if he wants to go to the bus stop .........
4. People often chat and play at the park nearby .........
5. He really enjoys the evenings in the park .........
bạn nào đúng mình tick cho nha 
Read the passage and choose the best answer to the question.AN EXCITING TRIPI have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never bee...
Đọc tiếp
Read the passage and choose the best answer to the question.
AN EXCITING TRIP
I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.
What is Alice Springs?
A. It is a beauty spot in Australia
B. It is a small town in Australia
C. It is a big firm Tim works for
D. It is Tim’s car
The Kirks' home has a value of $560,000. Where they live, the yearly property tax is $15.83 for every $1,000 of value. How much will they pay in yearly property tax?
Answer: $...
Nhà của Kirks trị giá $560,000. Nơi họ sinh sống, thuế bất động sản hàng năm là 15,83 đô la cho mỗi 1.000 đô la giá trị. Họ sẽ trả bao nhiêu tiền thuế bất động sản hàng năm?
Trả lời: $...
There are some balls in a bag. The remainder is 1 when groups of 3 balls are removed. The remainder is 2 when groups of 5 or 7 balls are removed. What is the smallest possible number of balls in the bag?
Có một số quả bóng trong túi. Phần còn lại là 1 khi nhóm 3 quả bóng được lấy ra. Phần còn lại là 2 khi các nhóm 5 hoặc 7 quả bóng bị loại bỏ. Số lượng quả bóng nhỏ nhất có thể có trong túi là bao nhiêu?
Đúng 0
Bình luận (0)
Bài 1: Sửa lỗi sai:
1. It was so long lesson that we could not finish it in one day.
2. Nothing can process data more efficient than a computer.
3. Wrapped in pretty green paper, he put the package on the table.
4. John bought some leathery gloves at the corner store yesterday.
5. I think Ill need to have my librarys card renewed.
6. My mother bought some five-dollars-a-pound cheese at the supermarket.
7. John always arrives late for his chemistry class even though he leaves his dormitory...
Đọc tiếp
Bài 1: Sửa lỗi sai:
1. It was so long lesson that we could not finish it in one day.
2. Nothing can process data more efficient than a computer.
3. Wrapped in pretty green paper, he put the package on the table.
4. John bought some leathery gloves at the corner store yesterday.
5. I think I'll need to have my library's card renewed.
6. My mother bought some five-dollars-a-pound cheese at the supermarket.
7. John always arrives late for his chemistry class even though he leaves his dormitory in plenty of times.
8. The farmers could not find any buyers for these class of coffee.
9. People who exercise frequently have greater physical endurance than those who doesn't.
10. To face adversity, to solve problems, and overcoming difficulties all give one a sense of satisfaction.
Bài 1: Sửa lỗi sai:
1. It was so =>such long lesson that we could not finish it in one day.
2. Nothing can process data more efficient =>efficiently than a computer.
3. Wrapped =>wrapping in pretty green paper, he put the package on the table.
4. John bought some leathery gloves at => in the corner store yesterday.
5. I think I'll => I need to have my library's card renewed.
6. My mother bought some five-dollars-a-pound=> five-dollar-a-pound cheese at the supermarket.
7. John always arrives=>is always arriving late for his chemistry class even though he leaves his dormitory in plenty of times.
8. The farmers could not find any buyers for these=>this class of coffee.
9. People who exercise frequently have greater physical endurance than those who doesn't=>don't.
10. To face adversity, to solve problems, and overcoming =>overcome difficulties all give one a sense of satisfaction.
Đúng 0
Bình luận (2)
Read the passage and choose the best answer to the question.AN EXCITING TRIPI have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never bee...
Đọc tiếp
Read the passage and choose the best answer to the question.
AN EXCITING TRIP
I have just received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice Springs, a small town in the center of Australia. He will soon visit Darwin. From there he will fly to Perth. My brother has never been abroad before, so he is finding this trip very exciting.
Why is Tim finding the trip very exciting?
A. Because he has visited a great number of different places in Australia
B. Because he has just bought an Australian car on the trip
C. Because he can fly to Perth
D. Because it is the first time he has been abroad