Mathematics · Time and Work
A and B can finish a work in 20 days and 10 days, respectively. A started the work alone, and then after 5 days, B joined A. They both finished the remaining work. How long did the total work last?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15 days
- 210 days
- 31013 days✓
- 4523 days
Correct answer
1013 days
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