Could you show steps on how you solved? I've been having trouble.

Let x= the cost of the triple pack of CDs. A few key words we want to pay attention to are:

**is** means equals

**less than** means subtraction

**of** means multiplication.

So the double pack for $20 **is** (=) $4 **less than** (-4) + 3/4 the cost **of** (*) the triple pack (x)

Removing the words, we get** 20 = -4 + (3/4)x** or 20 = (3/4) x - 4

That should get you started. Solve for x.