By: Jun Agruda

Jun Agruda — Wed, 17 Feb 2010 11:04:59 +0000

No. of hardbound books sold—x:
x + 5x + 2(5x) = 864
6x + 10x = 864
16x = 864
x = 54

No. of paperback books sold:
= 5(54)
= 270

No. of magazines sold:
= 2(5[54])
= 2(270)
= 540

Answer: magazines, 540; paperback books, 270, hardbound books, 54
References :

By: House B

House B — Wed, 17 Feb 2010 10:52:59 +0000

Okay I hope this helps:
1) Y=paper back books
2y= Magazines
y/5 =hardbound books.
2) y+2y+y/5=864. You can solve from there
References :