Mix660

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Class A - 6 students with the score 60%.
Class B - 4 students with the score 40%.
What is the total average score?

If Ann does a job in 6 days, and
Bob does it in 2 days, how long do
they take together? (Nearest to the 10th...)

There are 140 heads of Chickens and Dogs
together. Altogether there are 480 legs.
How many chickens are there?

I have 1100 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 9. How much will Tom get?

Mary is 12 years older than Jerry.
6 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

If a number is divided by 10 and 7,
the remainder for the both is 6.
What is the smallest possible number?

The sum of two numbers is 602.
The larger is 7 more than 4 times the smaller.
What is the smaller number?

Mary found 38 eggs. She found 16 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 you mix 400 ml of 7% alcohol
and 700 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

You borrowed $2000 for 3 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

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