A woman has an exercise regimen that includes running, biking and walking. She has no more than 21 hours per week to devote to exercise, including at most 3 hours of running She wants to walk at least twice as many hours as she bikes. A woman of he many hours per week should this woman spend on each exercise to weight will burn on average 532 calories per hour running. 352 calories per hour walking, and 465 calories per hour biking. How maximize the number of calories she bums? What is the maximum number of calories she will bun? The wonan shoud spendhours walkinghours nning,andhours biking for a maximum calorie expenditure of on druhours wakrde omhurc esa ne and, hoursbkingforamanmum calorie expenditureO hours running o two decimal places as needed)