posted by billygoatman .
Karen took 1hour 45mins to drive from Town A to Town B. She took another 25 mins drive from Town B to Town C. After that, she drove back to Town A. The journey from Town A to Town C and then back to Town A took 3h and 3mins. Find the percentage of time she spent driving back to Town A to Town C. Express your answer correct to 1 decimal place.