Mix215

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Mary is 24 years older than Jerry.
3 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

The sum of two numbers is 551.
The larger is 15 more than 7 times the smaller.
What is the smaller number?

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

Class A - 8 students with the score 80%.
Class B - 2 students with the score 70%.
What is the total average score?

You borrowed $4000 for 4 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 31 eggs. She found 12 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 you mix 500 ml of 9% alcohol
and 700 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

If a number is divided by 11 and 5,
the remainder for the both is 1.
What is the smallest possible number?

There are 180 heads of Chickens and Dogs
together. Altogether there are 600 legs.
How many chickens are there?

I have 600 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 2. How much will Tom get?

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