A Diet and Exercise Program for Charles It has been two weeks since Charles met w...

A Diet and Exercise Program for Charles

It has been two weeks since Charles met with Daniel, a dietitian, who provided Charles with a menu for weight loss. Charles and his mother are going back to see Daniel again with a chart of the food Charles has eaten. The following is what Charles ate in one day:

Breakfast

1 banana, 1 cup of nonfat milk, 1 egg

Lunch

1 cup of carrots, 3 oz of ground beef, 1 apple, 1 cup of nonfat milk

Dinner

6 oz of skinless chicken, 1 baked potato, 3 oz of broccoli, 1 cup of nonfat milk

a. During one week, Charles swam for a total of 2.5 h and walked for a total of 8.0 h. If Charles expends 340 kcal/ h swimming and 160 kcal/h walking, how many total kilocalories did he expend for one week? b. For the amount of exercise that Charles did for one week in part a, if expending 3500 kcal is equal to a loss of 1.0 lb, how many pounds did he lose?

c. How many hours would Charles have to walk to lose 1.0 lb? d. How many hours would Charles have to swim to lose 1.0 lb?

Reference Table 3.9 :