SOLUTION: The length of a retangular pool is 6 meters less than twice the width. If the pools perimeter is 126 meters, what are its dimensions?

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Question 145799This question is from textbook college algebra blitzer
: The length of a retangular pool is 6 meters less than twice the width. If the pools perimeter is 126 meters, what are its dimensions? This question is from textbook college algebra blitzer

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
L=2W-6
2L+2W=126
2(2W-6)+2W=126
4W-12+2W=126
6W=126+12
6W=138
W=138/6
W=23 M. FOR THE WIDTH
L=2*23-6
L=46-6
L=40 M. FOR THE LENGTH.
PROOF
2*40=2*23=126
80+46=126
126=126