Question

The perimeter of a rectangle is 90 ft. Find the dimensions of the rectangle if the ratio of the length to the width is 8: 7. Which of the following would be the best equation to use to solve this problem?
a. 8x+7x=90
b. 2(8x) + 2(7x) =90
c. 8x//7x =90
d. 2x+2x = 90

Answer 1

I think a. 8x+7x=90

That's how i usually do these type of questions.

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x= 6

8x=48
7x=42