vutukurydhruva vutukurydhruva
  • 01-10-2020
  • Mathematics
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Working alone, Jack can do a puzzle in 5 hours. With his brother's help, the two can do the same puzzle in 2 hours. How long would it take Jack's brother to do the puzzle alone?

Respuesta :

Wahmmy
Wahmmy Wahmmy
  • 05-10-2020

Answer:

3 hours and 20 minutes

(sorry i didnt show my work)

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