The length of a rectangle is 5 cm longer than twice the length of the width. If the perimeter of the rectangle is 88 cm, what is the width?
2017-09-13 9:00 am
Please be thorough in explaining your answer, as I do not understand how you are supposed to solve this problem. Thanks!!
回答 (1)
2017-09-13 9:10 am
✔ 最佳答案
The length of a rectangle is 5 cm longer than twice the width.
L = 2W + 5
The perimeter of the rectangle is 88 cm
2L + 2W = 88
L + W = 44
(2W + 5) + W = 44
3W + 5 = 44
3W = 39
W = 13
L = 2(13) + 5
L = 31
Width is 13 cm
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