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Answered

Cynthia can wallpaper a room in 4 hours and her brother can do it in 6 hours. How long would it take them if they work together
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Answer :

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Answer:

2 hours and 24 minutes

Step-by-step explanation:

cynthia can wallpaper a room 4 hours with means in 1 hour she can wallpaper 1/4th of the room, her brother can wallpaper the same room in 6 hours so I'm 1 hour he can wallpaper 1/6 of the room.

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