Question 1021914
{{{D=R*t}}}
{{{d[1]=R*2.5}}}
{{{d[2]=(R+10)*2.5}}}
{{{d[tot]=d[1]+d[2]}}}
{{{2.5R+(2.5)(R+10)=205}}}
{{{R+R+10=82}}}
{{{2R=72}}}
{{{R=36}}}{{{mph}}}
{{{R+10=46}}}{{{mph}}}