Question 117241
let x=CDs


1/4 are singles with booklets ___ x/4


1/2 of the CD's are singles ___ x/2 ___ but x/4 are singles w/booklets, so x/4 are singles w/o booklets


2/3 of the CD's have booklets ___ 8x/12 ___ but 3x/12 are singles w/booklets, so 5x/12 have booklets but are not singles


2 are neither singles nor have booklets


(3x/12)+(3x/12)+(5x/12)+2=x ___ (11x/12)+2=x ___ 11x+24=12x