SOLUTION: the lenghof a retacgle is twice the width the perimeter is 42 inches.find the widht.

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Question 173922: the lenghof a retacgle is twice the width the perimeter is 42 inches.find the widht.
Answer by monika_p(71) About Me  (Show Source):
You can put this solution on YOUR website!
x-widht
2x-lenght
P=42
Perimeter formula:
P=2*widht+2*lenght
42=2x+2*2x
42=6x
x=7in ---answer