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Mary is 20 years older than Jerry.
8 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

Class A - 6 students with the score 90%.
Class B - 4 students with the score 50%.
What is the total average score?

If Ann does a job in 6 days, and
Bob does it in 2 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 503.
The larger is 8 more than 4 times the smaller.
What is the smaller number?

If you mix 900 ml of 8% alcohol
and 700 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

If a number is divided by 12 and 9,
the remainder for the both is 5.
What is the smallest possible number?

I have 400 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 2. How much will Tom get?

You borrowed $4000 for 6 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 30 eggs. She found 11 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 150 heads of Chickens and Dogs
together. Altogether there are 520 legs.
How many chickens are there?

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