A publisher claims that the average salary paid at its company is $37,500, but it could differ by as much as $4,500. Write an absolute value inequality to determine the range of salaries at this company.

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.