Using the 2019 tax table, how much federal income tax will sasha owe if she earns $15 per hour for 2,000 hours of work per year and has a standard deduction of $12,200?

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.