Mix539

Name : ______________

refresh

If you mix 300 ml of 7% alcohol
and 400 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)




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




I have 400 dollars that I want
to split with Tom and Jerry by a ratio
of 2 to 2. How much will Tom get?




The sum of two numbers is 310.
The larger is 19 more than 2 times the smaller.
What is the smaller number?




Class A - 15 students with the score 60%.
Class B - 5 students with the score 90%.
What is the total average score?




You borrowed $4000 for 7 years
with a 10% interest rate. What will be
the total amount needed to pay off the loan?




There are 190 heads of Chickens and Dogs
together. Altogether there are 580 legs.
How many chickens are there?




If a number is divided by 5 and 10,
the remainder for the both is 2.
What is the smallest possible number?




Mary found 35 eggs. She found 11 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?



Mary is 12 years older than Jerry.
8 years ago, Mary was 4 times as old
as Jerry then. How old is Mary?




+(         )

 

(         )+

++[[          ]]++

 
Mix539   7 200 67.5 90 59  ( 423.5 )   4.7 97 67.5 12 12  ( 193.2 )    [[ 616.7 ]]