A musician practiced 2 hr each day for 3 days and 1 hr 30 min each day for 4 days. How long would they have to practice on the eighth day in order to average 100 minutes of practice each day for the entire time?
1 hr 10 min
1 hr 20 min
1 hr 30 min
1 hr 40 min
1 hr 50 min
