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All members of our painting team paint at the same rate.  If $10$ members can paint a $100$ square foot wall in $10$ minutes, then how long would it take the $15$ members to paint a $100$ square foot wall, in minutes?

 Jan 17, 2024
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To paint the 100 ft^2 wall takes 10 members 10 minutes =   100 member_minutes for the wall 

      Now divide by 15 members 

               100 member_minutes / 15 members = 100/15  minutes = 6  2/3 minutes     

 Jan 17, 2024

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