An electrican 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

An electrican 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

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