SOLUTION: A repair technician charges $80 for the first thirty minutes of each house call plus $2 for each additional minute. The repair technician charged a total of $170 for a job . how ma

Question 353805: A repair technician charges $80 for the first thirty minutes of each house call plus $2 for each additional minute. The repair technician charged a total of $170 for a job . how many minutes did the repair technician work ?
A 45 min B 55 min C 75 min D 85 min
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A repair technician charges $80 for the first thirty minutes of each house call plus $2 for each additional minute. The repair technician charged a total of $170 for a job . how many minutes did the repair technician work ?
A 45 min B 55 min C 75 min D 85 min
.
Let x = length (time) of job
then
80 + 2x = 170
2x = 90
x = 45 minutes
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