Two trains leave stations 288 miles apart at the same time and travel towards each other. one train travels at 95 miles per hour while the other travels at 85 miles per hour . how long will it take for the two trains to meet?

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.