Mathematics, 29.10.2020 02:10 destiniout04231

An plumber charges $50 for a service call, plus $85 per hour of service. If he charged $390, how many
hours did he work?

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An plumber charges $50 for a service call, plus $85 per hour of service. If he charged $390, how ma...

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More questions: Mathematics Another questions

An plumber charges $50 for a service call, plus $85 per hour of service. If he charged $390, how many hours did he work?

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Another question on Mathematics

An plumber charges $50 for a service call, plus $85 per hour of service. If he charged $390, how many
hours did he work?