SOLUTION: An electrician charges a $40 fee to make a house call plus an hourly rate for labor. If the total bill for a job that takes 2 hours comes to $99, what is the electrician’s hourly l

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Question 1129949: An electrician charges a $40 fee to make a house call plus an hourly rate for labor. If the total bill for a job that takes 2 hours comes to $99, what is the electrician’s hourly labor rate?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Find the equation of the line which has a y-intercept of 40 and passes through point (2, 99). The hourly rate is the slope.

hourly rate is $29.50 dollars per hour.

Answer by ikleyn(52799)   (Show Source): You can put this solution on YOUR website!
.
 =  = 28.50 dollars per hour.     ANSWER


Such problems you can solve in one line - as I did.



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