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24 February, 17:25

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

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  1. 24 February, 19:13
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    Let's represent the number of hours with the variable 'h':

    40 + 55h = 190

    55h = 150

    h = 2.72 ...

    We can round up to 2.73:

    The electrian works for about 2.73 hours.
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