Computer Technician Dave Maliwauki, a computer technician,
Chapter 1, Problem 1.1.137(choose chapter or problem)
Computer Technician Dave Maliwauki, a computer technician, charges a $25 flat rate plus $30 per hour to repair computers. During one month, his total income from repairing 15 computers was $885. How many hours did he spend repairing computers?
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