John can read m pages in 4 minutes. At this rate, how long will it take him to read n pages?	Choose the correct choice from the following choices: A) 4m*n B) (5/m)*n C) (6/m)*n D) (4/m)*n E) (8/m)*n
m page in 4 mins   i.e. 1 page in 4/m mins   i.e. n pages in (4/m)*n   Answer: option (4/m)*n
<result>D</result>
John can read m pages in 4 minutes. At this rate, how long will it take him to read n pages?