Mix709

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Class A - 3 students with the score 60%.
Class B - 7 students with the score 80%.
What is the total average score?




If Ann does a job in 7 days, and
Bob does it in 3 days, how long do
they take together? (Nearest to the 10th...)




You borrowed $6000 for 4 years
with a 6% interest rate. What will be
the total amount needed to pay off the loan?




If you mix 400 ml of 5% alcohol
and 800 ml of 9% alcohol, what %
solution will you get? (Nearest to the 10th.)




The sum of two numbers is 705.
The larger is 9 more than 5 times the smaller.
What is the smaller number?




There are 150 heads of Chickens and Dogs
together. Altogether there are 460 legs.
How many chickens are there?




I have 1200 dollars that I want
to split with Tom and Jerry by a ratio
of 4 to 8. How much will Tom get?




If a number is divided by 13 and 7,
the remainder for the both is 3.
What is the smallest possible number?




Mary is 9 years older than Jerry.
3 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?




Mary found 34 eggs. She found 10 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?



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