Hallie has two tasks both due on the same day: math homework and a short english essay. which should she start on first to make sure she completes her goal and doesn't waste energy?

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?