A runner trained 1 hr each day for 6 days and 1 hr 15 min each day for 2 days. How long would they have to train on the ninth day in order to average 65 minutes of training each day for the entire time?
1 hr 5 min
1 hr 10 min
1 hr 15 min
1 hr 20 min
1 hr 30 min
