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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? graphs of price vs time

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lwilly01
need the graph but should be simple just find something like this .... Hour 1 = 60$ hour 2 = 80$
Rate times 20 dollars for every hour = rate

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