Mathematics · Time and Work
A factory uses three machines (A, B, and C) to produce a specialized type of widget. Machines A and B working together can produce 100 widgets in 4 hours. Machines B and C working together can produce 100 widgets in 5 hours. Machines A and C working together can produce 100 widgets in 2.5 hours. If Machine A were to work alone, how long would it take to produce 100 widgets?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14.5 hours
- 240/9 hours✓
- 35 hours
- 416/3 hours
Correct answer
40/9 hours
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