David can read m pages in 15 minutes. At this rate, how long will it take him to read n pages?	Answers:  A) (10/m)*n  B) (12/m)*n  C) (15/m)*n  D) (16/m)*n  E) (20/m)*n
m page in 15 mins   i.e. 1 page in 15/m mins   i.e. n pages in (15/m)*n   Answer: option (15/m)*n
<result>C</result>
David can read m pages in 15 minutes. At this rate, how long will it take him to read n pages?