medium · SAT Math

A rental company charges a flat fee of $25.00 to rent a piece of equipment, plus $15.00 for each hour the equipment is kept. A customer who rented the equipment for a whole number of hours was charged a total of $130.00.

For how many hours did the customer rent the equipment?

  1. 5.2
  2. 7
  3. 8.67
  4. 10.33

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