Question

Pierce is making a rectangular frame for a photo collage that has a perimeter of 72.2 inches. The length of the frame is 20.3 inches.

Write an equation to find the width of the frame, x.

Enter the correct equation


Pls help
T-T

Answer 1

x = 15.8

Explanation:

Given,

perimeter of rectangular frame( P ) = 72.2 in

length of the frame (l) = 20.3 in

let the width of the frame be x.

We know,

P = 2( l + b )

or, 72.2 = 2( 20.3 + x )

or, 72.2 = 40.6 + 2x

or, 72.2 - 40.6 = 2x

or, 31.6 = 2x

or, 31.6 ÷ 2 = x

x = 15.8