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The plumber charges a service fee of $45 when he comes to your house. He also charges $25 per hour while he does the repairs. The total bill was $400. Which equation represents this situation? *

Respuesta :

Answer:

Step-by-step explanation:

There is a flat fee of $45 which will be added to his $25 per hour rate.

Let h represent the hours he worked.  The total of final bill is $400.

45 +  25h=400

-45               -45

         25h=355

           25    25

Therefore h =14.2 hours

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