Mix400

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

The sum of two numbers is 423.
The larger is 19 more than 3 times the smaller.
What is the smaller number?

If you mix 400 ml of 3% alcohol
and 500 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

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...)

You borrowed $10000 for 2 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 5. How much will Tom get?

There are 270 heads of Chickens and Dogs
together. Altogether there are 800 legs.
How many chickens are there?

If a number is divided by 9 and 4,
the remainder for the both is 2.
What is the smallest possible number?

Class A - 4 students with the score 50%.
Class B - 6 students with the score 60%.
What is the total average score?

Mary found 27 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?

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