Mix409

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Mary is 10 years older than Jerry.
7 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?

There are 160 heads of Chickens and Dogs
together. Altogether there are 500 legs.
How many chickens are there?

If Ann does a job in 8 days, and
Bob does it in 2 days, how long do
they take together? (Nearest to the 10th...)

If a number is divided by 10 and 12,
the remainder for the both is 1.
What is the smallest possible number?

You borrowed $8000 for 7 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 50 eggs. She found 15 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 256.
The larger is 16 more than 3 times the smaller.
What is the smaller number?

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 4. How much will Tom get?

If you mix 600 ml of 5% alcohol
and 400 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

Class A - 8 students with the score 80%.
Class B - 2 students with the score 60%.
What is the total average score?

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