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Mary is 20 years older than Jerry.
4 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

If you mix 800 ml of 5% alcohol
and 500 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

The sum of two numbers is 173.
The larger is 17 more than 2 times the smaller.
What is the smaller number?

If Ann does a job in 4 days, and
Bob does it in 7 days, how long do
they take together? (Nearest to the 10th...)

There are 230 heads of Chickens and Dogs
together. Altogether there are 640 legs.
How many chickens are there?

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 5 to 2. How much will Tom get?

If a number is divided by 9 and 10,
the remainder for the both is 2.
What is the smallest possible number?

You borrowed $8000 for 5 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

Class A - 6 students with the score 60%.
Class B - 4 students with the score 80%.
What is the total average score?

Mary found 43 eggs. She found 8 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?

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