Answer :
Earning per hour:
1 hour = 6$
Earning in seconds:
1 X 60 X 60 seconds = 6$
3600 seconds = 6$
1 second = 6 / 3600 $
1 second = 0.001667 $
Earning for one hand wash
1 X 6 seconds = 0.00167$ X 6
6 seconds = 0.01$
One cent for each hand wash.
1 hour = 6$
Earning in seconds:
1 X 60 X 60 seconds = 6$
3600 seconds = 6$
1 second = 6 / 3600 $
1 second = 0.001667 $
Earning for one hand wash
1 X 6 seconds = 0.00167$ X 6
6 seconds = 0.01$
One cent for each hand wash.