Mix415

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Class A - 18 students with the score 90%.
Class B - 2 students with the score 50%.
What is the total average score?

If you mix 800 ml of 6% alcohol
and 600 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)

The sum of two numbers is 521.
The larger is 9 more than 7 times the smaller.
What is the smaller number?

I have 1400 dollars that I want
to split with Tom and Jerry by a ratio
of 6 to 8. How much will Tom get?

If Ann does a job in 8 days, and
Bob does it in 6 days, how long do
they take together? (Nearest to the 10th...)

There are 160 heads of Chickens and Dogs
together. Altogether there are 560 legs.
How many chickens are there?

You borrowed $3000 for 4 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

Mary is 10 years older than Jerry.
5 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?

Mary found 25 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 a number is divided by 8 and 6,
the remainder for the both is 2.
What is the smallest possible number?

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