Mix617

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Class A - 15 students with the score 50%.
Class B - 5 students with the score 90%.
What is the total average score?

There are 270 heads of Chickens and Dogs
together. Altogether there are 800 legs.
How many chickens are there?

The sum of two numbers is 871.
The larger is 15 more than 7 times the smaller.
What is the smaller number?

If you mix 700 ml of 7% alcohol
and 500 ml of 6% alcohol, what %
solution will you get? (Nearest to the 10th.)

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

You borrowed $8000 for 7 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

I have 1300 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 9. How much will Tom get?

Mary is 12 years older than Jerry.
4 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?

If a number is divided by 9 and 8,
the remainder for the both is 4.
What is the smallest possible number?

Mary found 33 eggs. She found 7 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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