23 5 6 7 8 9 the graph represents a mechanic’s labor costs for a given number of hours of car repair. which statement describes the relationship between labor cost and time for a car repair? all repairs requiring 1 hour or less have the same labor cost. labor costs the same no matter how many hours are used for a repair. labor costs for a repair are more expensive as the number of hours increases. there is no cost of labor for a repair requiring less than 1 hour.