SOLUTION: Parts for an automobile repair cost ​$174. The mechanic charges ​$34 per hour. If a person receives an estimate for at least ​$225 and at most ​$361 for fix

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Question 1123110: Parts for an automobile repair cost ​$174. The mechanic charges ​$34 per hour. If a person receives an estimate for at least ​$225 and at most ​$361 for fixing the​ car, what is the time interval that the mechanic will be working on the​ job?
Found 2 solutions by Boreal, ikleyn:
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
subtract the parts from the $225 and $361 and divide each by $34 for the interval
$51 to $187 is the range for labor
divide both by $34/hour, units will be hours
51/34=1.5 hours and 187/34=5.5 hours
(1.5 hours, 5.5 hours)
Answer by ikleyn(52835)   (Show Source): You can put this solution on YOUR website!
.
From   = 1.5 hours (minimal time)  to   = 5.5 hours (maximal time) .


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