Question 648762: The length of a rectangle is 5 inches more than three times the width. The perimeter is 74 inches. Find the length and width
Answer by best82(13)   (Show Source):
You can put this solution on YOUR website!
If the length is 5 more than three times the width, you can write it as an algebraic expression: l(ength)=5+3w
You are given the perimeter of 74, which consists of two widths and two lengths.
so: 74=2(5+3w)+w+w
74=10+8w
64=8w
w=8
now that you found w, find l:
5+3(8)=5+24=29
length=29
width=8
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