Question 924673
{{{ d = r*t }}}
{{{ 50 = ( 4/15 )*t }}}
{{{ t = (15/4)*50 }}}
{{{ t = 187.5 }}}
{{{ 187.5 / 60 = 3.125 }}}
{{{ 187.5 - 3*60 = 7.5 }}}
-------------------
It will take 3 hrs and 7.5 min