Mix512

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Mary is 18 years older than Jerry.
6 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?

There are 150 heads of Chickens and Dogs
together. Altogether there are 520 legs.
How many chickens are there?

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

You borrowed $5000 for 6 years
with a 8% interest rate. What will be
the total amount needed to pay off the loan?

If a number is divided by 11 and 12,
the remainder for the both is 6.
What is the smallest possible number?

The sum of two numbers is 846.
The larger is 20 more than 6 times the smaller.
What is the smaller number?

I have 800 dollars that I want
to split with Tom and Jerry by a ratio
of 6 to 2. How much will Tom get?

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

Mary found 20 eggs. She found 8 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 900 ml of 3% alcohol
and 600 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

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