Question 889023
____________speed_______time_______distance
FAST_________2r_________5___________2r*5
SLOW__________r_________5____________r*5
TOTAL_______________________________600


{{{2r*5+r*5=600}}}
{{{r*5(2+1)=600}}}
{{{3r*5=600}}}
{{{5r=200}}}
{{{r=40}}}, the slow car.