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Mathematics 10 Online
OpenStudy (alexmoore552):

Brock is a plumber. He charges a flat rate of $40 to visit a house to inspect it's plumbing. He charges an additional $20 for every hour he spends inspecting or making repairs. Which graph below correctly shows the price of using Brock's plumbing service vs time? Brock is a plumber. He charges a flat rate of $40 to visit a house to inspect it's plumbing. He charges an additional $20 for every hour he spends inspecting or making repairs. Which graph below correctly shows the price of using Brock's plumbing service vs time?

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