Question 640168
Let {{{ d }}} = distance to NYC
Let {{{ s }}} = the speed in knots for trip to NYC
given:
trip to NYC:
{{{ d = s*3 }}}
trip back:
{{{ d = 6*4 }}}
{{{ d = 24 }}}
By substitution:
{{{ 24 = s*3 }}}
{{{ s = 8 }}}
The speed of the trip there is 8 knots