97.8k views
10 votes
a rectangle has a width that is 1/2 its length the perimeter of this rectangle is 42 inches what is the width of the rectangle...what is the width of the rectangle

User Ben Davis
by
3.5k points

1 Answer

10 votes

Answer:

w = 7 inches

Explanation:

length = n

width = n/2

Perimeter = 2n + 2(n/2)

42 = 2n + n

42 = 3n

n = 14

width = 14/2 = 7

User Mike Dimmick
by
3.3k points