Question
A car-wash machine takes 13 h to wash 1 car. Washing the car by hand takes 110 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 4 cars by hand. Leave your answer in hours and minutes.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

A car-wash machine takes 13 h to wash 1 car. Washing the car by hand takes 110 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 4 cars by hand. Leave your answer in hours and minutes.