jtaylorhouston jtaylorhouston
  • 13-09-2017
  • Mathematics
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Last week, Donnell practiced the piano 3 hours longer than Marcus. Together, Marcus and Donnelly practiced the piano for 11 hours. For how many hours did each young man practice the piano?

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Аноним Аноним
  • 13-09-2017
Marcus practiced for 4 hours and Donnelley played 7 hours
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