Mix156

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

If you mix 500 ml of 9% alcohol
and 300 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

If a number is divided by 10 and 7,
the remainder for the both is 3.
What is the smallest possible number?

Mary is 18 years older than Jerry.
6 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?

There are 170 heads of Chickens and Dogs
together. Altogether there are 460 legs.
How many chickens are there?

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?

You borrowed $9000 for 7 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

The sum of two numbers is 395.
The larger is 20 more than 4 times the smaller.
What is the smaller number?

Mary found 23 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?

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...)

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