Mix429

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Mary is 20 years older than Jerry.
3 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

If Ann does a job in 7 days, and
Bob does it in 9 days, how long do
they take together? (Nearest to the 10th...)

There are 150 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

The sum of two numbers is 677.
The larger is 13 more than 7 times the smaller.
What is the smaller number?

If you mix 500 ml of 8% alcohol
and 700 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

I have 800 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 4. How much will Tom get?

Class A - 15 students with the score 70%.
Class B - 5 students with the score 80%.
What is the total average score?

Mary found 50 eggs. She found 17 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 a number is divided by 9 and 5,
the remainder for the both is 2.
What is the smallest possible number?

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

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