Question 88136
Let x = longer side (length)
x-3 = shorter side (width)


2L + 2W = P
2(x) + 2(x-3) = 54
2x+2x-6=54
4x-6= 54


Add +6 to each side:
4x-6+6=54+6
4x= 60
x=15 Length

x-3= 12 = Width


Check:
2(15) + 2(12 ) = 54
30+ 24= 54

It checks!


R^2