SOLUTION: a rectangle is 12 meters longer than it is wide. its perimeter is 68 meters find its length and width.

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Question 335482: a rectangle is 12 meters longer than it is wide. its perimeter is 68 meters find its length and width.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let width be x
length will be x+12
..
Perimeter = 2*(L+W)
2*(x+x+12)=68
2*(2x+12)=68
4x+24=68
add -24
4x+24-24=68-24
4x=44
x= 11 m the width
length = 23 m
CHECK
23+23+11+11==68