Mix482

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Mary is 20 years older than Jerry.
4 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

Class A - 7 students with the score 40%.
Class B - 3 students with the score 50%.
What is the total average score?

You borrowed $7000 for 2 years
with a 8% interest rate. What will be
the total amount needed to pay off the loan?

If a number is divided by 8 and 9,
the remainder for the both is 1.
What is the smallest possible number?

If you mix 800 ml of 3% alcohol
and 600 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

There are 130 heads of Chickens and Dogs
together. Altogether there are 420 legs.
How many chickens are there?

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

If Ann does a job in 7 days, and
Bob does it in 4 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 738.
The larger is 10 more than 6 times the smaller.
What is the smaller number?

Mary found 38 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?

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