What is the true solution to the equation below?
2 In elin2x - In en 10x – In 30
O x-30
O x-75
O x-150
O x=300

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.