Mix390

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There are 200 heads of Chickens and Dogs
together. Altogether there are 560 legs.
How many chickens are there?

If Ann does a job in 7 days, and
Bob does it in 9 days, how long do
they take together? (Nearest to the 10th...)

The sum of two numbers is 405.
The larger is 17 more than 3 times the smaller.
What is the smaller number?

If you mix 400 ml of 5% alcohol
and 700 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary is 12 years older than Jerry.
4 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

Mary found 44 eggs. She found 11 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?

Class A - 16 students with the score 90%.
Class B - 4 students with the score 40%.
What is the total average score?

If a number is divided by 13 and 12,
the remainder for the both is 1.
What is the smallest possible number?

You borrowed $9000 for 3 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?

I have 500 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 3. How much will Tom get?

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