An outlet pipe can empty 2/3 of a cistern in 20 minutes. In 8 minutes, what part of the cistern will be emptied?	Choose the correct choice from the following answers.
A) 1/2
B) 1/3
C) 2/9
D) 4/15
E) 9/20
8/20 * 2/3 = 4/15   The answer is 4/15.
<result>D</result>
An outlet pipe can empty 2/3 of a cistern in 20 minutes. In 8 minutes, what part of the cistern will be emptied?