There are 888 employees on the game shop's sales team. last month, they sold a total of ggg games. one of the sales team members, chris, sold 171717 fewer games than what the team averaged per employee.

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.