Three people; A , B and C work together to make a certain number of tins. If person C was to work alone he will...

      

Three people; A , B and C work together to make a certain number of tins. If person C was to work alone he will take 4 4/9 hours to complete the job. If all working together they will take 1hr 40min to complete the job. They all started working together however person B left after first 40min,while person C left 20min later. Person A took a further 1hr 46min. Calculate how long it would take if all the tins were made by;

a) Person A alone?
b) Person B alone?
c) Person A and C alone?

  

Answers

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Wilfykil answered the question on August 22, 2019 at 09:17

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