thamnguyen1972 thamnguyen1972

19-01-2017
Mathematics

Answered

An electrician charges $40 to come to your house. She also charges $55 for each hour that she works. The electrician charges you a total of $190. How many hours does the electrician work at your house? Use h for the number of hours.

Verified Answer :

19-01-2017

Lets say,

40 + 55h = 190

40-40 + 55hh = 190 -40

55h = 150

55/55 = 150/55

~ 3.5 hours.

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