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Mathematics, 25.01.2020 22:31 201010399
1. 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/h 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.
b. is the cost of a 3-hour-long plumbing job the same at both companies?
write and use an equation to find out.
!
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