Mix284

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Class A - 8 students with the score 90%.
Class B - 2 students with the score 70%.
What is the total average score?

If Ann does a job in 7 days, and
Bob does it in 8 days, how long do
they take together? (Nearest to the 10th...)

I have 1400 dollars that I want
to split with Tom and Jerry by a ratio
of 5 to 9. How much will Tom get?

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

You borrowed $9000 for 6 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

The sum of two numbers is 742.
The larger is 14 more than 7 times the smaller.
What is the smaller number?

There are 160 heads of Chickens and Dogs
together. Altogether there are 420 legs.
How many chickens are there?

If a number is divided by 11 and 13,
the remainder for the both is 2.
What is the smallest possible number?

Mary found 31 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?

If you mix 700 ml of 5% alcohol
and 600 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)

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