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Class A - 7 students with the score 70%.
Class B - 3 students with the score 80%.
What is the total average score?

Mary is 16 years older than Jerry.
8 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

If you mix 300 ml of 8% alcohol
and 800 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

There are 130 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

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

If a number is divided by 5 and 12,
the remainder for the both is 1.
What is the smallest possible number?

You borrowed $3000 for 5 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 34 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?

The sum of two numbers is 523.
The larger is 19 more than 7 times the smaller.
What is the smaller number?

I have 600 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 4. How much will Tom get?

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