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Mathematics, 16.12.2020 17:00 u8p4

Ronnie charges his customers a flat fee of $25 to fix a computer. Then, he charges $30 for each hour he spends working on the computer. If his first job cost $175, how many hours did he spend working?

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Ronnie charges his customers a flat fee of $25 to fix a computer. Then, he charges $30 for each hour...

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