Answer:
40 + 2W < 57
Step-by-step explanation:
Given that:
Perimeter of a rectangle (P) :
P = 2(length(L) + width(W))
If the length of a certain rectangle L = 20 ; which inequality shows perimeter of rectangle is less than 57 units
P = 2(length(L) + width(W))
40 + 2W < 57