Mathematics · Time and Work
Three friends can complete a puzzle in 4 hours. If they invite two more friends to help, how long (in minutes) will it take for all of them together to complete the same puzzle, assuming they work at the same constant rate?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1144 minutes✓
- 2130 minutes
- 3120 minutes
- 4132 minutes
Correct answer
144 minutes
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