Question 793290
Width = x
Length = x + 3
Perimeter = 2*width + 2*length
100 = 2*x + 2*(x + 3)
100 = 2x + 2x + 6
4x + 6 = 100
4x = 100 - 6
4x = 94
x = 23.5
Width is 23.5 cm
Length = 26.5 cm
Hope this helps.
:-)