Mathematics · Time and Work
A can do a certain work in 9 days. B is 80% more efficient than A. How many days will A and B together take to complete the same work?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14514 Days✓
- 25413 Days
- 34714 Days
- 44413 Days
Correct answer
4514 Days
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