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Your plumber charges a flat rate of $150.00 to come out to your house and $55.50 per hour he is there. If the bill for your broken pipes was $344.25 how many hours was he there?

Respuesta :

jg71
344.25-150=194.25; 194.25/55.5= 3.5 ~ 3.5 hours
JayKipp
Let x equals hours he was there.

344.25=150.00+55.50x
-150.00 -150.00
----------- ----------
194.25=55.50x

194.25/55.50=55.50x/55.50

3.50=x

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