Mix425

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Class A - 7 students with the score 40%.
Class B - 3 students with the score 80%.
What is the total average score?

The sum of two numbers is 328.
The larger is 13 more than 4 times the smaller.
What is the smaller number?

Mary is 15 years older than Jerry.
3 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?

If a number is divided by 8 and 13,
the remainder for the both is 4.
What is the smallest possible number?

If Ann does a job in 9 days, and
Bob does it in 3 days, how long do
they take together? (Nearest to the 10th...)

If you mix 600 ml of 3% alcohol
and 800 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

You borrowed $7000 for 3 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

I have 1400 dollars that I want
to split with Tom and Jerry by a ratio
of 6 to 8. How much will Tom get?

Mary found 27 eggs. She found 10 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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