Mix250

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Class A - 16 students with the score 60%.
Class B - 4 students with the score 80%.
What is the total average score?

If a number is divided by 13 and 4,
the remainder for the both is 1.
What is the smallest possible number?

If you mix 400 ml of 3% alcohol
and 300 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary is 20 years older than Jerry.
8 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

Mary found 31 eggs. She found 10 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?

The sum of two numbers is 387.
The larger is 19 more than 3 times the smaller.
What is the smaller number?

If Ann does a job in 5 days, and
Bob does it in 6 days, how long do
they take together? (Nearest to the 10th...)

There are 220 heads of Chickens and Dogs
together. Altogether there are 600 legs.
How many chickens are there?

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 3. How much will Tom get?

You borrowed $6000 for 3 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?

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