34.5k views
2 votes
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?​

2 Answers

3 votes

Answer:Marcus=4 Donnell=7

Step-by-step explanation:11-3=8

8÷2 =4

4+3=7 hours used by Donnell

Remaining 4 hours is used by Marcus

User Otium
by
4.5k points
4 votes

Answer:

4 hours and 7 hours

Explanation:

Marcus = x hours

Donnell = x + 3 hours

Total = 11 hours

  • x + x + 3 = 11
  • 2x + 3 = 11
  • 2x = 8
  • x = 4

So Marcus practiced 4 hours and Donnell practiced 7 hours

User Benjamin W
by
4.8k points