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A can do a work in 20 days and B can do the same work in 20% less time taken by A. A and B start working together, then find in how much
time 80% of the total work will get completed.
8 days
✓ 7 days
5 days
6 days
None of these
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Answer 1

Answer:

what is this

Step-by-step explanation:

what are talking about