Mix812

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If Ann does a job in 7 days, and
Bob does it in 8 days, how long do
they take together? (Nearest to the 10th...)

Class A - 6 students with the score 40%.
Class B - 4 students with the score 60%.
What is the total average score?

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

Mary is 12 years older than Jerry.
3 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?

You borrowed $4000 for 5 years
with a 8% interest rate. What will be
the total amount needed to pay off the loan?

There are 140 heads of Chickens and Dogs
together. Altogether there are 400 legs.
How many chickens are there?

I have 600 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 4. How much will Tom get?

If a number is divided by 12 and 9,
the remainder for the both is 3.
What is the smallest possible number?

Mary found 50 eggs. She found 15 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 483.
The larger is 7 more than 6 times the smaller.
What is the smaller number?

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