⦁find the distance between the two numbers • -12, 19 • -2, (-7) • 25, (-1) 10 for each one + brainliest

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.