Mathematics · Time and Work
A can do a certain piece of work in 20 days. B is 25% more efficient than A, and C is 20% more efficient than B. A and C work together for 5 days. B alone will complete the remaining work in how many days?
- 15 days
- 26 days✓
- 38 days
- 49 days
Correct answer
6 days
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