Answer:
Explanation:
The difference in the amount of time spent is 3/5 "of the time" less "1/3 of the time," or
(3/5 - 1/3) "of the time"
The LCD here is (5)(3), or 15.
15(3/5 - 1/3) 9 - 5
----------------- = ------------ = 4/15 "of the time"
15 15
Liz spent 4/15 more of the study hall time on arithmetic than on Bible study.