It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
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it takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
6/5 gio ban oi o trong toan tieng anh ha ban
It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
Phải mất ba giờ để Bella làm sạch một ngôi nhà. Phải mất hai giờ để Anna dọn dẹp nhà cửa. Bao lâu nó sẽ đưa cho họ để làm sạch nó với nhau?
It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
It takes for them to clean it together:
3 hours + 2 hours = 5 hours
=> They clean a house 5 hours
sai sai rồi .làm chung thì số thời gian phải ít đi chứ.
Bạn nào giỏi cả 2 môn anh và toán vào trl giúp mk câu này vs.
1, It takes Hanh two hours to clean the house. It takes Phuong three hours to clean the same house.
How long will it take them to clean the house together ?
2, Tính P = 1/1 + 2 + 1/1 + 2 + 3 + 1/1 + 2 + 3 + 4 +........+ 1/1 + 2 + 3 + ....... + 2021.
thì hai đứa dọn trả nhanh hơn 1 đứa
ok mik trả lời lun
Question 1:
Subtract 346 from 752.
Answer:
Question 2:
Study the pattern.
88:8=11
880:8=110
8800:8= ?
The missing number is
Question 3:
Divide 2016×2016 by 2016. The quotient is
Question 4:
What is of 744?
Answer:
Question 5:
Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys ice creams.
Question 6:
100 hundreds + 1000 tens = ones
Question 7:
My giant flower doubles its size every day. On Friday, it is times as big as its was on the preceding Sunday.
Question 8:
The product of 2 different natural numbers is 9. Their sum is
Question 9:
If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out?
Answer: numbers.
Question 10:
It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?
Answer: minutes.
GLOBAL VIOLYMPIC.
1:406
2:1100
3:2016
4:botay
5:2
6:20000
7:botay
8:10
9:botay
10:50
Question 1: What is 1/6 of 744? Answer: 124
Question 2: Express seventy thousand, four hundred and nine in numerals. Answer: 70409
Question 3: Study the pattern. 88:8=11 880:8=110 8800:8= ? The missing number is 1100
Question 4: Subtract 346 from 752. Answer: 406
Question 5: The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school? Answer: 459 students.
Question 6: The product of 2 different natural numbers is 9. Their sum is 10
Question 7: Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys 2 ice creams.
Question 8: My giant flower doubles its size every day. On Friday, it is 5 ( hay 10 gì đó ) times as big as its was on the preceding Sunday.
Question 9: If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out? Answer: 65 numbers.
Question 10: It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together? Answer: 72 minutes.
Câu hỏi 1: Điều gì là 1/6 của 744? Trả lời: 124
Câu hỏi 2: Thể hiện bảy mươi ngàn, 409 bằng chữ số. Trả lời: 70.409
Câu hỏi 3: Nghiên cứu mô hình. 88: 8 = 11 880: 8 = 110 8800: 8 =? Số còn thiếu là 1100
Câu hỏi 4: Trừ 346 từ 752. Trả lời: 406
Câu hỏi 5: Tỷ lệ trẻ em trai cô gái tại một trường học là 5: 4. Nếu có 255 trẻ em trai tại trường sau đó có bao nhiêu sinh viên đang học tại trường? Câu trả lời:. 459 sinh viên
Câu hỏi 6: Các sản phẩm của 2 số tự nhiên khác nhau là 9. tổng của chúng là 10
Câu hỏi 7: Jack, Mary và Jacob mua kem. Jack mua gấp đôi so với Mary. Jacob mua ba lần so với Jack. Nếu Jacob mua 12 kem sau đó Mary mua 2 kem.
Câu hỏi 8: bông hoa khổng lồ của tôi tăng gấp đôi kích thước của nó mỗi ngày. Hôm thứ sáu, nó là 5 (hay 10 gì đó) lần lớn như nó đã vào trước ngày Chủ nhật.
Câu 9: Nếu chúng ta viết tất cả các số nguyên từ 10 đến 99 và gạch bỏ bất kỳ số trong đó chữ số đầu tiên hoặc thứ hai được chia hết cho 2 (ví dụ, 41 được gạch chéo là 4 là chia hết cho 2 và 36 được gạch chéo là 6 chia hết cho 2), có bao nhiêu số đang vượt qua? Câu trả lời:. 65 số
Câu hỏi 10: Mất Bella ba giờ để làm sạch một ngôi nhà. Phải mất Anna hai giờ để dọn dẹp nhà cửa. Bao lâu nó sẽ đưa cho họ để làm sạch nó với nhau? Trả lời: 72 phút.
Cau 8 Phan Ba Cuong sai, phai la 32 lan
Question 5:
A set of five different numbers has an average of 12. If the average of four smallest numbers is 10 then the greatest number is
It took 3 boys 6 hours to clean a house. how many more boys are needed to clean the house in to hours?
Reoder the words make the right senten.
I/difficult/to/find it/ride/a horse./
me/2 hours/It/to/takes/the house./clean/
- I find it difficult to ride a horse
- it takes me 2 hours to clean the house
It takes Tom 4 hours to built a fence. If he hires Jack to help him, together they can do the job in just 3 hours. If jack built the same fence alone, how long would it take him?
In a hour, Tom and Jack can do: \(\frac{1}{3}\) (the job)
In a hour, Tom can do: \(\frac{1}{4}\) (the job)
So in a hour, Jack can do: \(\frac{1}{3}-\frac{1}{4}=\frac{1}{12}\) (the job)
Thus, if Jack built the same fence alone, it would take 12 hours.
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