Mix902

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Class A - 7 students with the score 80%.
Class B - 3 students with the score 90%.
What is the total average score?

There are 210 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?

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

The sum of two numbers is 665.
The larger is 11 more than 5 times the smaller.
What is the smaller number?

If you mix 900 ml of 7% alcohol
and 600 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)

If a number is divided by 10 and 11,
the remainder for the both is 5.
What is the smallest possible number?

You borrowed $9000 for 2 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 32 eggs. She found 11 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?

I have 1200 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 9. How much will Tom get?

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...)

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