SOLUTION: The price of a 2-hour plumbing repair job is $130 and the price of a 5-hour job is $250. Find and interpret the slope of the line through (2, 130) and (5, 250).

SOLUTION: The price of a 2-hour plumbing repair job is $130 and the price of a 5-hour job is $250. Find and interpret the slope of the line through (2, 130) and (5, 250).

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Question 246100: The price of a 2-hour plumbing repair job is $130 and the price of a 5-hour job is $250. Find and interpret the slope of the line through (2, 130) and (5, 250).
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
SLOPE=(250-130)/(5-2)=120/3=$40 PER HOUR IS THE PLUMBING RATE.
2*40=80
130-80=50
5*40=200
250-200=50
THEREFORE THERE MUST BE A MINIMUM CALL RATE OF $50, IN ADDITION TO THE $40 PER HOUR RATE.
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