SOLUTION: I have a word problem as states Sara has a favorite print whose length is 3 inches longer than twice the width. If the area is 90 square inches find its dimensions?

SOLUTION: I have a word problem as states Sara has a favorite print whose length is 3 inches longer than twice the width. If the area is 90 square inches find its dimensions?

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Question 242134: I have a word problem as states Sara has a favorite print whose length is 3 inches longer than twice the width. If the area is 90 square inches find its dimensions?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
L=2W+3
LW=90
(2W+3)W=90
2W^2+3W-90=0
(2W+15)(W-6)=0
W-6=0
W=6 ANS. FOR THE WIDTH.
L=2*6+3
L=12+3=15 ANS. FOR THE LENGTH.
PROOF:
6*15=90
90=90
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