SOLUTION: Please help. Translate into a mathematical equation, solve and answer the question. THE LENGTH OF A RECTANGLE IS THREE TIMES IT'S WIDTH. IF THE AREA OF THAT RECTANGLE IS 75 SQUA

SOLUTION: Please help. Translate into a mathematical equation, solve and answer the question. THE LENGTH OF A RECTANGLE IS THREE TIMES IT'S WIDTH. IF THE AREA OF THAT RECTANGLE IS 75 SQUA

Algebra.Com

Question 192815: Please help.
Translate into a mathematical equation, solve and answer the question.
THE LENGTH OF A RECTANGLE IS THREE TIMES IT'S WIDTH. IF THE AREA OF THAT RECTANGLE IS 75 SQUARE FEET, WHAT IS THE LENGTH?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=3W
LW=75
3W*W=75
3W^2=75
W^2=75/3
W^2=25
W=SQRT25
W=5 ANS. FOR THE WIDTH.
L=3*5=15 ANS. FOR THE LENGTH.
pROOF:
5*15=75
75=75
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