christineachord christineachord 05-10-2021 Mathematics contestada Bananas are on sale for $0.50 a pound, and you have a coupon for $0.15 off your total purchase. Write a function rule for the cost, c, of n pounds. c = 0.5n - 0.15 c = 0.5n c = 0.5n + 0.15 c = 0.15n - 0.50