Mathematics · Time and Work
A and B together can knit a sweater in 255 hours, B and C can knit it together in 170 hours, while A and C can knit it together in 204 hours. How many hours will A, B, and C together take to knit the sweate r?
- 1119
- 2102
- 3136✓
- 4153
Correct answer
136
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