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If Ann does a job in 3 days, and
Bob does it in 7 days, how long do
they take together? (Nearest to the 10th...)

Class A - 6 students with the score 40%.
Class B - 4 students with the score 40%.
What is the total average score?

There are 90 heads of Chickens and Dogs
together. Altogether there are 280 legs.
How many chickens are there?

The sum of two numbers is 449.
The larger is 13 more than 3 times the smaller.
What is the smaller number?

If a number is divided by 13 and 8,
the remainder for the both is 3.
What is the smallest possible number?

Mary is 10 years older than Jerry.
7 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

If you mix 800 ml of 3% alcohol
and 300 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

I have 900 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 5. How much will Tom get?

You borrowed $9000 for 6 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 40 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?

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