Mr. A, Mr, B and Mr. C are assigned a project as a team. Mr. A and Mr. B can finish the project together in 30 days, while Mr. B and Mr. C together in 24 days and Mr. C and Mr. A in 20 days. They all worked together but due to poor performance, Mr. B and Mr. C were eliminated from the team after 10 days. How many more days does Mr. A need to finish the project?
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Answer:
MR A need 40 days
Step-by-step explanation:
Because MrA and MrC =20dats
MRA AND MRB =30
20+30=50
50_10=40
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