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Class A - 7 students with the score 70%.
Class B - 3 students with the score 40%.
What is the total average score?

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

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

You borrowed $3000 for 7 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

If a number is divided by 10 and 7,
the remainder for the both is 2.
What is the smallest possible number?

If you mix 600 ml of 9% alcohol
and 500 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

The sum of two numbers is 763.
The larger is 21 more than 6 times the smaller.
What is the smaller number?

I have 1200 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 9. How much will Tom get?

There are 160 heads of Chickens and Dogs
together. Altogether there are 560 legs.
How many chickens are there?

Mary found 36 eggs. She found 16 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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