Answer:
3 complete shifts of 3/4 hour and 1 one-third of the 3/4 hour shift.
Explanation:
Total work hours = 2.5 hours
Each shift = 0.75 hr
Number of shifts = Total work hours / Each shift
= 2.5 / 0.75
= 3.33
He worked for 3 complete shifts of 3/4 hour and
1 one-third of the 3/4 hour shift.