Confusing Homework

Question

Tony bought 3 CDs that were each the same price. Including sales tax, he paid a total of $37.50. Each CD had a tax of $1.20 . What was the price of each CD before tax

Answer 1

price of cd before tax = x

 

price of cd after tax = x+1.20 

3(x+1.20)=37.50

3x +3(1.20) = 37.50

 

3x + 3.60 = 37.50

 

3x = 33.9

 

x = 11.3

 

price of cd before tax = x =$11.3

Answer 2

Each CD had a tax of $1.20.  Tony bought 3 CDs that were each the same price

3 x 1.20 = 3.60 in tax.

he paid a total of $37.50

37.50 - 3.60 = 33.90 before tax.

33.90/3 = $11.30 for each CD before tax.