A and B and C can do job in 12h,29 h,and 30h .if they all work together,how long will they take to complete the job..
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and I want full explanation plz and I will mark his or her answer as the brainliest
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Answer:
A can do job=12h
B can do job =29h
c can do job =30h
Step-by-step explanation:
A+B+c =12+29+30=71
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