The supermarket has 12 aisles. 9 of the aisles are empty. What percentage of the aisles are
2 answers:
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You want to do to one side the same thing you do to the other side.
In order to get the n by itself you divide the 25n by 25. But in order to not change the answer you need to do the same to the 70.
so n=
which can be reduced to 
so n=
In order to get the n by itself you divide the 25n by 25. But in order to not change the answer you need to do the same to the 70.
so n=
so n=
Negative multiplied by a negative is positive
8 multiplied by 2 is 16
x mutiplied by x is equal to x square
combine them all up and you get ......
is the answer :-)
8 multiplied by 2 is 16
x mutiplied by x is equal to x square
combine them all up and you get ......