Mix512

Name : ______________

refresh

If you mix 400 ml of 5% alcohol
and 300 ml of 7% alcohol, what %
solution will you get? (Nearest to the 10th.)




The sum of two numbers is 282.
The larger is 14 more than 3 times the smaller.
What is the smaller number?




You borrowed $3000 for 7 years
with a 9% interest rate. What will be
the total amount needed to pay off the loan?




Mary is 15 years older than Jerry.
5 years ago, Mary was 6 times as old
as Jerry then. How old is Mary?




Class A - 13 students with the score 50%.
Class B - 7 students with the score 70%.
What is the total average score?




Mary found 43 eggs. She found 17 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?



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?




If a number is divided by 4 and 9,
the remainder for the both is 2.
What is the smallest possible number?




If Ann does a job in 9 days, and
Bob does it in 8 days, how long do
they take together? (Nearest to the 10th...)




There are 100 heads of Chickens and Dogs
together. Altogether there are 280 legs.
How many chickens are there?




+(         )

 

(         )+

++[[          ]]++

 
Mix512   5.9 67 57 400 4.2  ( 534.1 )   67 8 69 38 60  ( 242 )    [[ 776.1 ]]