Patrick purchased 60 pencils and sold them at a loss equal to the selling price of 20 pencils. The cost of 60 pencils is how many times the selling price of 60 pencils?	Choose the correct answer.
A) 0.75
B) 0.8
C) 1
D) 1.33
E) 1.75
Say the cost price of 60 pencils was $60 ($1 per pencil) and the selling price of 1 pencil was p.   Selling at a loss: 60 - 60p = 20p --&gt; p = 3/4.   (cost price)/(selling price) = 1/(3/4) = 4/3 = 1.33.   Answer: 1.33.
<result>D</result>
Patrick purchased 60 pencils and sold them at a loss equal to the selling price of 20 pencils. The cost of 60 pencils is how many times the selling price of 60 pencils?