Question 967007


If the student paints  {{{4/5}}}  of the room in  {{{1/2}}}  of the hour,  which is  30 minutes, she paints  {{{1/5}}}  of the room in  {{{30/4}}} = 7.5 minutes.


Hence, it will take  5*7.5 = 37.5 minutes to paint the entire room.