cynone5172 cynone5172 20-03-2020 Mathematics contestada Karen bought a total of seven items at five different stores. She began with $65.00 and had $15.00 remaining. Which of the following equation can be used to determine the average cost per item? A 5x =$65.00-$15.00 B 7x+ $15.00=$65.00 C 7x =$75.00 D 7x × 5=$50.00