A proportional relationship has a unit rate of 4 to 1. Which situation below represents this relationship? * 1 point A tire warehouse has exactly 12,800 automobile tires for 3,200 automobiles Hikers travel 48 miles in 6 hours A DJ is required to play 60 songs over a 4-hour shift A cookie recipe uses 1 3/4 cups of brown sugar for 2 batches

The situation that represents a proportional relationship with a unit rate of 4 to 1 is: A DJ is required to play 60 songs over a 4-hour shift.