Mix320

Name : ______________

refresh

Class A - 18 students with the score 50%.
Class B - 2 students with the score 70%.
What is the total average score?

You borrowed $4000 for 6 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?

The sum of two numbers is 315.
The larger is 20 more than 4 times the smaller.
What is the smaller number?

Mary is 10 years older than Jerry.
5 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?

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...)

I have 700 dollars that I want
to split with Tom and Jerry by a ratio
of 3 to 4. How much will Tom get?

If you mix 400 ml of 5% alcohol
and 600 ml of 5% alcohol, what %
solution will you get? (Nearest to the 10th.)

Mary found 31 eggs. She found 15 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 7 and 13,
the remainder for the both is 3.
What is the smallest possible number?

There are 120 heads of Chickens and Dogs
together. Altogether there are 320 legs.
How many chickens are there?

+(         )

(         )+

++[[          ]]++