The perimeter of a rectangular floor is 120 feet. Find the dimensions of the floor if the length is twice the width

Respuesta :

clee07
P=2l+2w
120=2(2w)+(2w
120=4w+2w
120=6w
w=20
120=2(20)+2(l)
120=40+2l
80=2l
l=40
Length is 40 and width is 20 feet
hope this helps:)