Question 6
Alice visits a zoo with ten activities A-J scheduled as shown.

She can attend only one activity at a time. Whenever she chooses an activity, she attends its full scheduled duration, from start to finish. What is the greatest number of activities she can attend?

She can attend only one activity at a time. Whenever she chooses an activity, she attends its full scheduled duration, from start to finish. What is the greatest number of activities she can attend?