Question 68955
{{{d = r*t}}}
The train from Belleville has travelled a distance of
{{{d[1] = 47*4}}}
{{{d[1] = 188}}} mi
That means the other train has travelled {{{388 - 188 = 200}}}mi in 4 hrs
{{{d[2] = 200}}}mi
{{{200 = r[2]*4}}}
{{{r[2] = 200/4}}}
{{{r[2] = 50}}} mi/hr answer