Mix270

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Class A - 13 students with the score 70%.
Class B - 7 students with the score 80%.
What is the total average score?

If a number is divided by 12 and 5,
the remainder for the both is 3.
What is the smallest possible number?

There are 200 heads of Chickens and Dogs
together. Altogether there are 520 legs.
How many chickens are there?

If you mix 900 ml of 7% alcohol
and 400 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

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

The sum of two numbers is 605.
The larger is 17 more than 6 times the smaller.
What is the smaller number?

You borrowed $6000 for 3 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

If Ann does a job in 10 days, and
Bob does it in 7 days, how long do
they take together? (Nearest to the 10th...)

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 5. How much will Tom get?

Mary found 25 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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