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8/15
(35)(-
The perimeter of a rectangle is calculated by adding the lengths of all its sides. In this case, the rectangle has two sides of length 20m and two sides of length 15m. Therefore, the perimeter would be 2(20m) + 2(15m) = 40m + 30m = 70m.
Great. A multiple choice question with no choices to look at. Hopefully, one of the expressions said something about the numbers 9 or 15, which are divisible by 3 but not by 6.
15/30 is equivalent to 1/2