Mix470

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There are 160 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

Class A - 2 students with the score 40%.
Class B - 8 students with the score 70%.
What is the total average score?

I have 1300 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 9. How much will Tom get?

Mary found 44 eggs. She found 12 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 12 and 8,
the remainder for the both is 4.
What is the smallest possible number?

If Ann does a job in 9 days, and
Bob does it in 6 days, how long do
they take together? (Nearest to the 10th...)

If you mix 900 ml of 5% alcohol
and 600 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

The sum of two numbers is 421.
The larger is 17 more than 3 times the smaller.
What is the smaller number?

You borrowed $2000 for 7 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?

Mary is 18 years older than Jerry.
8 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?

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