Question 482977
{{{ d = r*t}}}
{{{ d = 50*(48/60) }}}
{{{ d = 40 }}} km
The same distance at 30 km/hr takes
{{{ 40 = 30*t }}}
{{{ t = 40/30 }}}
{{{ t = 4/3 }}} hr
{{{ t = 3/3 + 1/3 }}} hr
{{{ t = 1 }}} hr and {{{ (1/3)*60 = 20 }}} min