Question 336964
width = x 
length = x+3
perimeter p = 2*(L+W)
p=2*(x+x+3)
p=2*(2x+3)
p=4x+6
4x+6 =24
4x =24-6
4x=18
divide by 4
4x/4 = 18/4
x=4.5 cm. width
..
Length = x+3
=4.5+3=7.5 cm.