30 pens and 75 pencils were purchased for 570. If the average price of a pencil was 2.00, find the average price of a pen. Choose the most appropriate option
A) 10	B) 11	C) 12	D) 13	E) 14
Since average price of a pencil = 2   ∴ Price of 75 pencils = 150   ∴ Price of 30 pens = (570 – 150) = 360   ∴ Average price of a pen = 420⁄60 = 14   Answer 14
<result>E</result>
30 pens and 75 pencils were purchased for 570. If the average price of a pencil was 2.00, find the average price of a pen.