krasenes761 krasenes761

18-06-2021
Mathematics

contestada

A plumber charges $30.00 per call plus $25.00 per hour. If a certain repair cost $80.00, how long does it take?

Respuesta :

drmallery drmallery

25-06-2021

Answer:

2 hours

Step-by-step explanation:

Y=25x+30

80=25x+30

50=25x

2=x

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