Asavings account balance was $135.10 before withdrawal of $60, a depósit of $22.50, and a withdrawal of $45. what was the balance after the withdrawal s and depisot

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.