Answer:
57 and 11
Step-by-step explanation:
57+11=68
57-11=46
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9/16.
There is no common factor to 9 and 16.
No number can go into 9 and at the same time go into 16.
So in simplest form it is still = 9/16
3.40 and 15
Step-by-step explanation:
3 for 1.50 means 1 is 50 cents each.
5 oranges for 3 dollars mean each one is 60 cents.
So this equation is 4(.60)+2(.50)
=3.40
For the swimming problem,
divide the 2 and 5 and you should get 2.5.
Multiply 2.5 by 6 to get 15.
Here are the answers for the missing blanks
(2.5, 1) (5, 2) (7.5, 3) (10, 4) (12.5, 5)
