Mathematics · Time and Work
Worker K takes 18 hours to assemble a device, and Worker L takes 9 hours. When Worker M assists them, they complete the assembly in just 3 hours. How long would it take for M to complete the job alone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17 hours
- 28 hours
- 36 hours✓
- 45 hours
Correct answer
6 hours
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