Mix307

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Class A - 8 students with the score 40%.
Class B - 2 students with the score 80%.
What is the total average score?

Mary found 23 eggs. She found 9 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 4 days, and
Bob does it in 9 days, how long do
they take together? (Nearest to the 10th...)

Mary is 18 years older than Jerry.
8 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

The sum of two numbers is 355.
The larger is 19 more than 5 times the smaller.
What is the smaller number?

If a number is divided by 11 and 3,
the remainder for the both is 2.
What is the smallest possible number?

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

You borrowed $9000 for 6 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

I have 400 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 2. How much will Tom get?

There are 170 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?

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