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KatRina [158]
3 years ago
11

If A can do a piece of work alone in 7 days and B can do it alone in 4 days, how long will it take the two working together to c

omplete the job?
Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0
3 days give me brainliest plz
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