Mix631

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Mary is 18 years older than Jerry.
3 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

Class A - 4 students with the score 90%.
Class B - 6 students with the score 50%.
What is the total average score?

I have 1500 dollars that I want
to split with Tom and Jerry by a ratio
of 6 to 9. How much will Tom get?

The sum of two numbers is 317.
The larger is 7 more than 4 times the smaller.
What is the smaller number?

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

There are 170 heads of Chickens and Dogs
together. Altogether there are 540 legs.
How many chickens are there?

You borrowed $6000 for 7 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

If a number is divided by 3 and 8,
the remainder for the both is 2.
What is the smallest possible number?

Mary found 28 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?

If you mix 500 ml of 5% alcohol
and 700 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

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