Mix280

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Mary is 10 years older than Jerry.
7 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

If you mix 400 ml of 4% alcohol
and 600 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)

The sum of two numbers is 186.
The larger is 21 more than 2 times the smaller.
What is the smaller number?

Mary found 25 eggs. She found 8 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 Ann does a job in 8 days, and
Bob does it in 3 days, how long do
they take together? (Nearest to the 10th...)

If a number is divided by 6 and 12,
the remainder for the both is 5.
What is the smallest possible number?

There are 130 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

I have 800 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 6. How much will Tom get?

Class A - 8 students with the score 40%.
Class B - 2 students with the score 80%.
What is the total average score?

You borrowed $2000 for 5 years
with a 8% interest rate. What will be
the total amount needed to pay off the loan?

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