Mix684

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Mary is 10 years older than Jerry.
6 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?

Class A - 6 students with the score 50%.
Class B - 4 students with the score 70%.
What is the total average score?

If a number is divided by 9 and 7,
the remainder for the both is 4.
What is the smallest possible number?

The sum of two numbers is 623.
The larger is 15 more than 7 times the smaller.
What is the smaller number?

There are 130 heads of Chickens and Dogs
together. Altogether there are 340 legs.
How many chickens are there?

Mary found 42 eggs. She found 13 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 600 ml of 8% alcohol
and 800 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)

You borrowed $9000 for 5 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

If Ann does a job in 6 days, and
Bob does it in 2 days, how long do
they take together? (Nearest to the 10th...)

I have 600 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 3. How much will Tom get?

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