A refrigeration repair job took 16.5 hours to complete. Joe worked (1/2); Susan worked (1/3); Al worked (1/6). What time should be put on each worker's payroll sheet?
a) Joe: 8.25 hrs, Susan: 5.5 hrs, Al: 2.75 hrs
b) Joe: 4.125 hrs, Susan: 5.5 hrs, Al: 6.75 hrs
c) Joe: 5.5 hrs, Susan: 8.25 hrs, Al: 2.75 hrs
d) Joe: 6.75 hrs, Susan: 5.5 hrs, Al: 4.125 hrs
