251,040 views
1 vote
1 vote
Brian has DVDs and CDs. The number of CDs he has can be modelled with the formula C = 2D + 11, where C represents the number of CDs and D represents the number DVDs. If he has 41 CDs, how many DVDs does he have?​

User Nicky McCurdy
by
2.4k points

1 Answer

25 votes
25 votes

Answer: 15 DVDs

Explanation:

C = 2D + 11

41 = 2D + 11

2D = 30

D = 15 DVDs

User Scharfmn
by
3.3k points