Leanne runs on the treadmill and rides the exercise bike at the gym to stay in shape. She burns 15 calories per minute on the treadmill and 9 calories per minute on the bike. She wants to ride the bike 2.5 times as long as she runs on the treadmill and burn a total of 580 calories. The system of equations below can be used to find the number of minutes, t, she should run on the treadmill and the number of minutes, b, she should ride the bike. According to this system of equations, can Leanne meet both her goals? A. No, she cannot ride the exercise bike a negative number of minutes. B. Yes, she can ride the exercise bike for 15 minutes 28 seconds. C. Yes, she can run on the treadmill for 15 minutes 28 seconds. D. No, she cannot run on the treadmill for a fractional number of minutes.