A plumber charges a flat fee of $75 to make a house call to a customer. He also charges $50 per hour for labor plus the cost of

Question

A plumber charges a flat fee of $75 to make a house call to a customer. He also charges $50 per hour for labor plus the cost of parts. If parts cost $100 and the plumber's bill totals $212.50, how many hours did the plumber charge for labor? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.
0.5 hr
0.75 hr
1 hr
1.5 hr

Kunduz · Accepted Answer

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