Question

The length of marshall's rectangular poster is 2 times its width. If the perimeteris 24 inches,what is the area of the poster

Answer 1

Length=2x

width=x

24=2(2x)+2x

24=4x+2x

24=6x

x=24/6

x=4

length=2x=2(4)=8

width=x=4

The area of this poster will be: 32 in²