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Tia’s car needs repairs. Honest Harry will charge $70 per hour plus $130 for the part. Lucky Lou will charge $80 per hour plus $40 for the part. How long is the job if the two costs are the same?

Verified Answer :

To answer the question above, let x the number of hours for the two jobs to cost equal. Harry's charge can be expressed as 70x + 130 and that of Lou is 80x + 40. Equating both, 
  
                               70x + 130 = 80x + 40      ; x = 9

Thus, the job should take 9 hours for both charges to be equal.

whitea7

Answer:

the answer is 9

Step-by-step explanation:

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