SOLUTION: The length of a rectangle is 7 inches more than three times the width. The perimeter is 78 inches. Find the length and width.
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Question 807035: The length of a rectangle is 7 inches more than three times the width. The perimeter is 78 inches. Find the length and width.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The perimeter of a rectangle is given by:
So, for your rectangle
Or in simpler terms:
Substitute 
for 
and then solve for 
. Once you know calculate
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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