adamvm01 adamvm01

21-04-2015
Mathematics

Answered

a service plumber charges 45$ for a service call plus 70$ an hour
a. How long is a service call cost 150$

Answer :

alexa1rose alexa1rose

21-04-2015

45+ 70x=150

the answer is 1.5 so an hour and a half

Answer Link

21-04-2015

45+70x =150

So one hour and 50 min. plus the normal charge of 45$

Answer Link

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