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Harman [31]
3 years ago
7

An Electrician charges $30 for a service call plus $75 per hour of service. If he charged 210 how many hours did he work?

Mathematics
1 answer:
valkas [14]3 years ago
8 0

Answer:

2.4 hours Electrician works.

Step-by-step explanation:

Let us assume that the number of hours  Electrician works be x.

As given

An Electrician charges $30 for a service call plus $75 per hour of service.

If Electrician  charged $210.

Than the equation becomes

30 + 75x = 210

75x = 210 - 30

75x = 180

x =\frac{180}{75}

x =2.4 hours

Therefore 2.4 hours Electrician works.



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