Answer
150 cm
Work Step by Step
The ball is dropped from 60 Centimeters and rebounds 30 Centimeters after its first bounce. It then travels 30 Centimeters back to the ground and rebounds to a height of 15 Centimeters. It then falls 15 Centimeters and bounces a third time. Thus, it travels:
60+30+30+15+15=150 cm