SOLUTION: It costs $29 per hour plus a flat fee of $30 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a ho
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-> SOLUTION: It costs $29 per hour plus a flat fee of $30 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a ho
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Question 1048428: It costs $29 per hour plus a flat fee of $30 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a house is $233. How many hours did the plumber work? Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! .
x=number of hours worked
.
Total Cost=$30+$29x
.
For total cost of $233:
$233=$30+29x . Subtract $30 from each side
$203=$29x . Divide each side by $29
7=x
.
ANSWER: The plumber worked 7 hours for $233.
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