Mix420

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Mary is 8 years older than Jerry.
4 years ago, Mary was 3 times as old
as Jerry then. How old is Mary?




There are 160 heads of Chickens and Dogs
together. Altogether there are 520 legs.
How many chickens are there?




I have 900 dollars that I want
to split with Tom and Jerry by a ratio
of 5 to 4. How much will Tom get?




If you mix 900 ml of 4% alcohol
and 600 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)




If Ann does a job in 8 days, and
Bob does it in 3 days, how long do
they take together? (Nearest to the 10th...)




The sum of two numbers is 171.
The larger is 9 more than 2 times the smaller.
What is the smaller number?




You borrowed $3000 for 4 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?




Mary found 44 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 a number is divided by 9 and 6,
the remainder for the both is 2.
What is the smallest possible number?




Class A - 4 students with the score 40%.
Class B - 6 students with the score 50%.
What is the total average score?




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