46 P4.FR.PR.17100412
Level 3
A car-wash machine takes 16 h to wash 1 car. Washing the car by hand takes 14 h longer than the car-wash machine.
  1. Find the time taken to wash 1 car by hand.
  2. Find the total time taken to wash 3 cars by hand. Leave your answer in hours and minutes.
4 m
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