SOLUTION: The length of a rectangle is 5 cm more than twice the width. The perimeter is 82 cm. Find the length and width.

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Question 26203: The length of a rectangle is 5 cm more than twice the width. The perimeter is 82 cm. Find the length and width.
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
Formula for a perimeter;
p=2l+2w
Now fill in the equation with the given values;
p= 82cm
l=w+5
82=2(w+5)+2w
82=2w+10+2w
82=4+10
72=2w
18=w
So the width = 18cm%5E2
the length = 18cm%5E2+5
l=23cm%5E2
=)