Mathematics, 13.12.2019 00:31 jnthnsngh

An electrician charges $30 for a house visit and $55 for each hour of work. if mrs. firewalls was charged $222.50 for work, which can be used to find the number of hours that the electrician worked?

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An electrician charges $30 for a house visit and $55 for each hour of work. if mrs. firewalls was ch...