Mathematics · Time and Work
Three persons A, B and C agreed to complete a construction work. A, B and C worked together for the first 5 days and completed 1140 of the work. A and B worked for the next 3 days and completed 18 of it, and the remaining work was completed in the last 20 days by B and C. In how many days can A, B and C complete the whole work alone, respectively?
- 140, 60, 75✓
- 250, 40, 90
- 390, 75, 60
- 475, 40, 60
Correct answer
40, 60, 75
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