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The sum of two numbers is 840.
The larger is 21 more than 6 times the smaller.
What is the smaller number?

Class A - 2 students with the score 70%.
Class B - 8 students with the score 90%.
What is the total average score?

Mary is 12 years older than Jerry.
7 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

You borrowed $2000 for 7 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

If a number is divided by 10 and 9,
the remainder for the both is 5.
What is the smallest possible number?

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

If you mix 400 ml of 4% alcohol
and 700 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary found 43 eggs. She found 10 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?

If Ann does a job in 6 days, and
Bob does it in 8 days, how long do
they take together? (Nearest to the 10th...)

There are 180 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?

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