A computer repair service charges a one-time bench fee of $50 to diagnose the problem and $35 per hour to repair it.
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• Write an equation in the form y = mx + b that relates the total cost y to the number
of hours the repair takes x.
Identify the slope and the y-intercept in your equation. What do they mean in the
context of this problem?
If a computer takes 5 hours to repair, how much will it cost?
If a computer costs $242.50, how long did it take to repair it?
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