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anonymous
 5 years ago
The length of a rectangle is 3 inches more than its width, and its perimeter is 22 inches. Find the width of the rectangle.
a)4 in.
b)5 in.
c)7 in.
anonymous
 5 years ago
The length of a rectangle is 3 inches more than its width, and its perimeter is 22 inches. Find the width of the rectangle. a)4 in. b)5 in. c)7 in.

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Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0So l+3=w, and 2l+2w=22, if l= length and w=width. Following?

Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0So simplify 2l+2w=22 by dividing each term by 2 and get l+w=11

Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0Then subtract w from both sides and get l=11w

Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0Now you know what l is, so just plug it into the other equation.

Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0You get (11w)+3=w and simplify to get w+14=w

Oaktree
 5 years ago
Best ResponseYou've already chosen the best response.0So your answer is c, 7.
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