Mix519

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

Mary is 12 years older than Jerry.
3 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

I have 500 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 3. How much will Tom get?

There are 210 heads of Chickens and Dogs
together. Altogether there are 640 legs.
How many chickens are there?

Mary found 50 eggs. She found 14 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 4 and 8,
the remainder for the both is 1.
What is the smallest possible number?

The sum of two numbers is 485.
The larger is 17 more than 3 times the smaller.
What is the smaller number?

You borrowed $8000 for 4 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?

If you mix 600 ml of 3% alcohol
and 500 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

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

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