Graph x< 2 only answer if you know what your doing

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.

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

Can someone show me step by step how to do this?