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Class A - 17 students with the score 70%.
Class B - 3 students with the score 80%.
What is the total average score?

Mary is 9 years older than Jerry.
5 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?

If you mix 800 ml of 5% alcohol
and 700 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

If a number is divided by 5 and 9,
the remainder for the both is 2.
What is the smallest possible number?

You borrowed $4000 for 3 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

The sum of two numbers is 762.
The larger is 18 more than 7 times the smaller.
What is the smaller number?

Mary found 41 eggs. She found 7 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 170 heads of Chickens and Dogs
together. Altogether there are 460 legs.
How many chickens are there?

I have 600 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 3. How much will Tom get?

If Ann does a job in 5 days, and
Bob does it in 8 days, how long do
they take together? (Nearest to the 10th...)

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