Question

Zelma buys p pounds of bananas for $0.40 per pound she pays the clerk with a $20 bill the clerk subtract the total cost of the bananas from the 20-dollar bill to determine the amount of change to give zelma which expression represents the amount of change zelma should receive

Answer 1

You didnt include the (presumably) multiple choice answers. My guess is that the answer would be along the lines of: 20 - (P times .40)