xiomaralizg20 xiomaralizg20

25-08-2016
Mathematics

contestada

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

25-08-2016

Donnell-7 hours
Marcus-4 hours

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