Gọi số xu 1 coin mà Julia có là a(cái)
Số xu 2 coin mà Julia có là 17-a(cái)
Tổng số tiền là 30 coin nên ta có: a+2(17-a)=30
=>a+34-2a=30
=>34-a=30
=>a=4
Vậy: Julia có 4 xu 1 coin
Lily has 5 time as much money as Ben. They have $1674 in total. How much more money does Lily have more than Ben?
Mya has 10000 dollars in bills of 40 dollars. How many 40 dollars- bills does she have?
MYA has 10000 usd in bills of 40 usd . How many 40 usd bills does she have
Câu 5:
What is your answer if you add 32 tens and 18 ones to the difference of 5000 and 32 hundreds?
Answer: Your answer is
Câu 6:
Subtract 85 from the sum of 2348 and 788. How many tens are there in the result?
Answer:
Câu 7:
Find the difference between 10 thousands and 736 tens.
Answer: The difference is
Câu 8:
Joanne is 28 years older than Melvin. Mabel is 16 years younger than Joanne. If Mabel is 43 years old, find the total age of them.
Answer: years old.
Câu 9:
Mark has 68 more books than Michael. Tom has 21 fewer books than Mark. They have 865 books in all. How many books does Mark have?
Answer: Mark has books.
Câu 10:
An MTR train left Kovan Station with 259 male and 678 female passengers. At Hougang Station, 588 passengers alighted and only 30 female passengers boarded the train. How many passengers were there in the train then?
Answer: passengers.
A teacher sterts her workday at 7 : 00 a.m , and stop it at 3: 35 p.m .but in between , she has a 45 - minute lunch break , and another breaak of 20 minutes . How many minutees does she actually work on her workday ?
Nam has three books. Linh has ten books. Nam and Linh have total................. books
Minh and Nam have a total of 9 pencils. If Minh has 4 pencils more than Khoa, then Nam and Khoa have a total of ... pencils
The total weight of 3 apples is equal to that of 4 bananas, and the total weight of 5 bananas is equal to that of 6 oranges. How many apples have the same total weight as 24 oranges?
Anna saved $10 in January.She saved $20 in February.The amount of money she saved in March was the total amount of money she had saved in January and February .The amount of money she saved in April was the total amount of money she had saved in February and March.If she had saved in this parttern up to October,
a.In wich month did she save $210?
b.How much did she save in October?
