cedriyah1 cedriyah1

09-09-2016
Mathematics

contestada

jeb has to pay a plumber $65 to come to his house and $40 per hour after thst (y = 40x + 65). If The Cost Is $145, how many hours did the plumber work?

Respuesta :

Prissy11 Prissy11

09-09-2016

y=40x+65
145=40x+65
145-65= 40x
80=40x
80/40=x
x=2

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