This equation shows how the cost of a plumber's visit is related to its duration in hours. c = 24.9d + 11.4 The variable d represents the duration of the visit in hours, and the variable c represents the

This equation shows how the cost of a plumber's visit is related to its duration in hours. c = 24.9d + 11.4 The variable d represents the duration of the visit in hours, and the variable c represents the cost. What is the duration, in hours, of a plumber's visit that costs $31.32?

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This equation shows how the cost of a plumber's visit is related to its duration in hours. c = 24.9d + 11.4 The variable d represents the duration of the visit in hours, an…

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