Finally she needs to find her upper and lower limit of her target heart rate range. To find her upper limit, she must multiply her “heart rate reserve” h by 0.8 and add it to her resting heart rate r. Write an equation for her upper limit u. To find her lower limit, she must multiply her “heart rate reserve” h by 0.6 and add it to her resting heart rate r. Write an equation for her lower limit L.