SOLUTION: A rectangle is 6 feet long and has a perimeter of 20 feet. What is the width of this rectangle? Explain your answer.

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Question 739459: A rectangle is 6 feet long and has a perimeter of 20 feet. What is the width of this rectangle? Explain your answer.
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

given:
a rectangle is 6ft long and has a perimeter of 20ft
a perimeter of a rectangle is P=2L%2B2W where L is length and W width
if P=20ft and L=6ft, then we have

20ft=2%2A6ft%2B2W
20ft=12ft%2B2W
20ft-12ft=2W
8ft=2W
8ft%2F2=W
4ft=W.......the width of this rectangle