
Mark M. answered 08/28/16
Tutor
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Mathematics Teacher - NCLB Highly Qualified
n represents the unknown number
25n represents the product of 25 and the unknown number
Here some ambiguity is present. (poorly worded sentence - perhaps: The product of 25 and a unknown number, divided by....
The quotient can be 25n / 45, or 45 / 25n
Then the equation could be
25n / 45 = -65
OR
45 / 25n = -65

David S.
08/28/16