Which situation could not represent a proportional relationship? a) the amount an employee who makes $13.50 per hour in h hours. b) the cost of purchasing p pounds of bananas for $0.39 per pound. c) the number of gallons of oil in b barrels with 48 gallons of oil in each barrel. d) the weight in w weeks of a puppy that gains 1.5 pounds per week if its starting weight is 6 pounds.