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Mary is 20 years older than Jerry.
7 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

If you mix 900 ml of 5% alcohol
and 300 ml of 6% alcohol, what %
solution will you get? (Nearest to the 10th.)

There are 230 heads of Chickens and Dogs
together. Altogether there are 640 legs.
How many chickens are there?

Mary found 20 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?

You borrowed $3000 for 2 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

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?

Class A - 2 students with the score 70%.
Class B - 8 students with the score 60%.
What is the total average score?

If a number is divided by 10 and 7,
the remainder for the both is 1.
What is the smallest possible number?

If Ann does a job in 8 days, and
Bob does it in 7 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 520.
The larger is 16 more than 6 times the smaller.
What is the smaller number?

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