SOLUTION: if a rectangle has a perimeter of 90 and a lengthy of 35 what is the width?

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Question 236592: if a rectangle has a perimeter of 90 and a lengthy of 35 what is the width?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
P=2L+2W
90=2*35+2W
90=70+2L
2L=90-70
2L=20
L=20/2
L=10 ANS. FOR THE LENGTH.
PROOF:
90=2*10+2*35
90=20+70
90=90