Answer:
P(x) = 5(x) - 4(x) as 20(x) = 4(5) is added to 5(x) = 25 -20 = 5 so profit fro one shirt is set = 1 as 5 * 1 = 5 and (x) = 5
Step-by-step explanation:
11x - 6( ?)+20 = p(?) -H(?) - c (?) = 11x - p(x) = HX) - cx) = 6(x )+20 = 11x-6x -20 = 5x -20 = P(x) = 5(x) - 4(x)