Question 413795
P=perimeter
x=width
x+78=length

we know the perimeter is 220 inches and we know that L+W+L+W=P

x+78+x+78+x+x=220

4x+156=220

4x+156-156=220-156

4x=64

4x/4=64/4

x=16

Width is x so the width is 16 inches.

Length is width plus 78 inches.

16+78=94

The length is 94 inches.