Mix164

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

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

Mary is 16 years older than Jerry.
6 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

If a number is divided by 8 and 12,
the remainder for the both is 1.
What is the smallest possible number?

The sum of two numbers is 504.
The larger is 19 more than 4 times the smaller.
What is the smaller number?

There are 170 heads of Chickens and Dogs
together. Altogether there are 560 legs.
How many chickens are there?

Mary found 45 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?

If you mix 900 ml of 5% alcohol
and 400 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

I have 1000 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 6. How much will Tom get?

You borrowed $2000 for 4 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

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