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There are 230 heads of Chickens and Dogs
together. Altogether there are 660 legs.
How many chickens are there?

Class A - 18 students with the score 50%.
Class B - 2 students with the score 90%.
What is the total average score?

The sum of two numbers is 551.
The larger is 21 more than 4 times the smaller.
What is the smaller number?

If you mix 800 ml of 8% alcohol
and 400 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary found 34 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 a number is divided by 9 and 13,
the remainder for the both is 1.
What is the smallest possible number?

You borrowed $4000 for 3 years
with a 8% interest rate. What will be
the total amount needed to pay off the loan?

Mary is 24 years older than Jerry.
3 years ago, Mary was 5 times as old
as Jerry then. How old is Mary?

I have 900 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 7. How much will Tom get?

If Ann does a job in 4 days, and
Bob does it in 9 days, how long do
they take together? (Nearest to the 10th...)

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