Mix390

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Class A - 7 students with the score 50%.
Class B - 3 students with the score 80%.
What is the total average score?

The sum of two numbers is 425.
The larger is 19 more than 6 times the smaller.
What is the smaller number?

If you mix 800 ml of 4% alcohol
and 700 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

There are 130 heads of Chickens and Dogs
together. Altogether there are 320 legs.
How many chickens are there?

If a number is divided by 10 and 5,
the remainder for the both is 2.
What is the smallest possible number?

If Ann does a job in 4 days, and
Bob does it in 10 days, how long do
they take together? (Nearest to the 10th...)

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

I have 1100 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 8. How much will Tom get?

Mary found 42 eggs. She found 14 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?

You borrowed $4000 for 4 years
with a 5% interest rate. What will be
the total amount needed to pay off the loan?

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