Shen needs to have a toilet repaired in his house. The cost of the new plumbing fixtures is $170 and the labor is $40/hr. Part: 0/2 Part 1 of 2 (a) Write a model that represents the cost of the repair C (in $) in terms of the number of hours of labor x. The model that represents the cost of repairs is C- 40x + 170 X G Part: 1/2 Part 2 of 2 (b) After how many hours of labor would the cost of the repair job equal the cost of a new toilet of $370? It would take hours of labor for the cost of the repair job to equal the cost of a new toilet. X 5