Mix301

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Mary is 4 years older than Jerry.
3 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?

Class A - 13 students with the score 80%.
Class B - 7 students with the score 90%.
What is the total average score?

Mary found 40 eggs. She found 16 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 $6000 for 3 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?

I have 1100 dollars that I want
to split with Tom and Jerry by a ratio
of 5 to 6. How much will Tom get?

The sum of two numbers is 179.
The larger is 11 more than 2 times the smaller.
What is the smaller number?

There are 160 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

If a number is divided by 10 and 7,
the remainder for the both is 5.
What is the smallest possible number?

If you mix 500 ml of 7% alcohol
and 300 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)

If Ann does a job in 4 days, and
Bob does it in 5 days, how long do
they take together? (Nearest to the 10th...)

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