Mix540

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Class A - 3 students with the score 40%.
Class B - 7 students with the score 70%.
What is the total average score?

You borrowed $9000 for 6 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?

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

The sum of two numbers is 650.
The larger is 20 more than 6 times the smaller.
What is the smaller number?

Mary found 34 eggs. She found 7 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 you mix 800 ml of 5% alcohol
and 300 ml of 4% alcohol, what %
solution will you get? (Nearest to the 10th.)

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

There are 170 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?

If a number is divided by 8 and 12,
the remainder for the both is 4.
What is the smallest possible number?

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

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