4. Which of the following describes a proportional relationship? F. Drew paid $2.86 per pound of apples plus $0.10 for a grocery bag.
G. Heather rented a hotel for $110 a night plus $18 a night for valet parking.
H. Carlos bought tires for $250 each with a discount of $50 off his total purchase.
J. Manuel bought three pairs of shoes for $99 each plus a shipping fee of $6.