Although part of your question is missing, you might be referring to this full question: A repair company's charge for repairing a certain type of copy machine fits the model y = 47.38 +0.617x. Where y is the number of dollars charged and x is the number of minutes the repair person is on the job. how many minutes would it take for the cost of repair to reach $140? (round to the nearest minute.)
It will take 138 minutes for the repair cost to reach $140
As per the question:
Number of dollars charged by the company = y dollars
Number of minutes the repair person is on the job = x minutes
The cost that needs to be achieved = 140 dollars
Equation:
y = 47.38 + 0.617x------(1)
For the cost of repair to reach $140, substituting $140 in y in equation (1)
140 = 47.38 + 0.617x
Solving further and finding the value of x
140 - 47.38 = 0.617x
92.62 = 0.617x
x = 138 minutes (rounded to the nearest minute)
So, it will take 138 minutes for the repair cost to reach $140
Learn more about algebra:
https://brainly.com/question/19245500
#SPJ4
