Mix671

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Class A - 7 students with the score 90%.
Class B - 3 students with the score 70%.
What is the total average score?

There are 190 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?

The sum of two numbers is 567.
The larger is 15 more than 7 times the smaller.
What is the smaller number?

If a number is divided by 12 and 8,
the remainder for the both is 6.
What is the smallest possible number?

I have 900 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 7. How much will Tom get?

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

You borrowed $10000 for 7 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

Mary found 31 eggs. She found 12 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 Ann does a job in 8 days, and
Bob does it in 10 days, how long do
they take together? (Nearest to the 10th...)

If you mix 600 ml of 4% alcohol
and 800 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)

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