Mix889

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Class A - 15 students with the score 50%.
Class B - 5 students with the score 60%.
What is the total average score?

There are 100 heads of Chickens and Dogs
together. Altogether there are 280 legs.
How many chickens are there?

Mary is 12 years older than Jerry.
6 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

I have 1500 dollars that I want
to split with Tom and Jerry by a ratio
of 6 to 9. How much will Tom get?

If you mix 800 ml of 9% alcohol
and 500 ml of 3% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary found 40 eggs. She found 13 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...)

You borrowed $6000 for 4 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

The sum of two numbers is 338.
The larger is 20 more than 2 times the smaller.
What is the smaller number?

If a number is divided by 9 and 7,
the remainder for the both is 1.
What is the smallest possible number?

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