Question 572447
Equation for train:
(1) {{{ s = x*t[1] }}}
Equation for car:
(2) {{{ s = ( x - y )* t[2] }}}
--------------------
(1) {{{ t[1] = s/x }}}
and
(2) {{{ t[2] = s/( x - y ) }}}
{{{ t[2] - t[1] = s/( x - y ) - s/x }}}
{{{ t[2] - t[1] = s*( 1/(x-y) - 1/x ) }}}