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6 August, 08:07

Paul's Plumbing charges a flat fee of $90 plus $40/h for a plumbing job. Perfect Pipes charges a flat fee of $60 plus $55 for a plumbing job.

A. Write expressions to represent the total costs of a plumbing job for each company. Let h represent the time, in hours, of a plumbing job. Be sure to label the expression for each company!

B. Is the cost of a 3-hour-long plumbing job the same at both companies. Write and use an equation to find out. Show all work!

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  1. 6 August, 08:29
    0
    Equation A.

    Paul's plumbing: y = 40h + 90

    Perfect plumbing: y = 55h + 60

    B:

    Pauls plumbing: y = 40 (3) + 90 ... 310 = y

    Perfect plumbing y = 55 (3) + 60 ... y = 225

    Not the same
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