please solve this ....... A , B and C can do a piece of work in 12 , 15 and 20 days respectively. How long will they take to do it working together?
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1
I think you should take out their LCM and you would get the correct answer.
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4
hope the answer is 5 days
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KoMalπ:
tysm ..it ws easy an easy method as compared to the method my teacher taught me
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