Mix690

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Mary is 8 years older than Jerry.
3 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

Class A - 13 students with the score 60%.
Class B - 7 students with the score 50%.
What is the total average score?

You borrowed $7000 for 5 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

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 a number is divided by 11 and 13,
the remainder for the both is 4.
What is the smallest possible number?

If you mix 600 ml of 7% alcohol
and 500 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)

If Ann does a job in 6 days, and
Bob does it in 10 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 520.
The larger is 15 more than 4 times the smaller.
What is the smaller number?

Mary found 33 eggs. She found 17 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?

There are 240 heads of Chickens and Dogs
together. Altogether there are 700 legs.
How many chickens are there?

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