Mix842

Name : ______________

refresh

Class A - 15 students with the score 60%.
Class B - 5 students with the score 70%.
What is the total average score?




The sum of two numbers is 522.
The larger is 7 more than 4 times the smaller.
What is the smaller number?




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...)




If you mix 800 ml of 7% alcohol
and 800 ml of 8% alcohol, what %
solution will you get? (Nearest to the 10th.)




You borrowed $9000 for 6 years
with a 7% interest rate. What will be
the total amount needed to pay off the loan?




I have 1100 dollars that I want
to split with Tom and Jerry by a ratio
of 5 to 6. How much will Tom get?




Mary found 37 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 4 and 9,
the remainder for the both is 2.
What is the smallest possible number?




There are 170 heads of Chickens and Dogs
together. Altogether there are 460 legs.
How many chickens are there?




Mary is 12 years older than Jerry.
8 years ago, Mary was 7 times as old
as Jerry then. How old is Mary?




+(         )

 

(         )+

++[[          ]]++

 
Mix842   62.5 2.1 7.5 67 110  ( 249.1 )   103 7.5 500 38 10  ( 658.5 )    [[ 907.6 ]]