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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 puz…

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 puz…
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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?

asked
User FacesOfMu
by
8.1k points

1 Answer

3 votes

Answer:

3 hours and 20 minutes

(sorry i didnt show my work)

answered
User Astrid
by
7.0k points
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