SOLUTION: A rectangular platform for a concert has a perimeter of 640 feet. Suppose that the length of the platform is three times the width. What are the dimensions of the platform? Thank Y
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Question 277221: A rectangular platform for a concert has a perimeter of 640 feet. Suppose that the length of the platform is three times the width. What are the dimensions of the platform? Thank You
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
P=perimeter
L=length
W=width
GIVEN: P=640 L=3W P=2L+2W
USE SUBSTITUTION
solve for W
distribute
add
divide
___
if W=80 then:
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