If it takes a tub 5 minutes to drain 5/7 of its content, how much more time will it take for the tub to be empty?
Choices
A) 48 seconds
B) 1 minute, 12 seconds
C) 1 minute, 50 seconds
D) 2 minutes, 00 seconds
E) 4 minutes, 12 seconds
If 5/7 of tub's content is drained 2/7 th of tub still needs to be drained.   If it takes 5 minutes to drain 5/7 th of tub it takes 5*(7/5) minutes to drain the entire tub and 5*(7/5)*(2/7) min to drain 2/7 th of the tub which is 2 minutes   So answer is 2 minutes, 00 seconds
<result>D</result>
If it takes a tub 5 minutes to drain 5/7 of its content, how much more time will it take for the tub to be empty?