Mix410

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Mary is 15 years older than Jerry.
3 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

There are 170 heads of Chickens and Dogs
together. Altogether there are 460 legs.
How many chickens are there?

If Ann does a job in 10 days, and
Bob does it in 5 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 653.
The larger is 9 more than 6 times the smaller.
What is the smaller number?

Class A - 2 students with the score 90%.
Class B - 8 students with the score 50%.
What is the total average score?

Mary found 28 eggs. She found 13 more eggs than Tom. Gina was so happy because she found exactly as many eggs as Mary and Tom together. How many eggs did Gina find?

If a number is divided by 12 and 8,
the remainder for the both is 4.
What is the smallest possible number?

I have 1100 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 8. How much will Tom get?

If you mix 500 ml of 7% alcohol
and 500 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

You borrowed $2000 for 7 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

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