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  • 25-08-2016
  • Mathematics
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Last week, Donnell practiced the piano 3 hours longer than Marcus. Together, Marcus and Donnell practiced the piano for 11 hours. For how many hours did each young man practice the piano?

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leemichx
leemichx leemichx
  • 25-08-2016
Donnell-7 hours
Marcus-4 hours
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