Question

1. The perimeter of a rectangle is 56 inches. The rectangle is 19 inches long. How wide is the rectangle?

Answer 1

let, width be 'x'

perimeter of rectangle=2(length+width)

56=2(19+x)

56=38+2x

2x=56-38

x=18/2

x=9inches

so, the width of rectangle is 9 inches.

hope it helps.