Answer:
10p - 40
Step-by-step explanation:
Apply the distributive rule : a (b - c) = ab - ac
a = 2.5, b = 4p, c = 16
= 2.5 * 4p - 2.5 * 16
= 4 * 2.5p - 16 *2.5
= 10p - 40
