Staples offer CDs ($2.00) and boxes of computer paper ($3). If total sales were $1,560 and customers bought 5 times as many CDs as boxes of computer paper, how many CDs were sold?
A) 120
B) 480
C) 600
D) 1,200
E) None of these

Question

Quizplus · Accepted Answer

Let x be the number of boxes of computer paper sold. Then, 5x is the number of CDs sold. The total sales equation is 2(5x) + 3x = 1560. Simplifying gives 10x + 3x = 1560, so 13x = 1560. Solving for x gives x = 120. Therefore, the number of CDs sold is 5x = 5(120) = 600.

Staples Offer CDs ($2