SOLUTION:
7) The times recorded, you count the number of strokes. Total number of strokes = 5 strokes.
8)
fractions (1/4, 3/4, 6/4, 6/4, 6/4)


9) To calculate the average hours. We add all the hours and divide by 5

Final answers:
7) 5 days
8) 5 and half hours
9) 1 and tenth hours