Question 1126902
r, Carrie's speed
r-20, Chris's speed


Separation Speed of the two going in opposite directions:
{{{2r-20}}}, the sum.


{{{(2r-20)(2.5)=200}}}
Solve, and evaluate r and r-20.


{{{5r-50=200}}}
{{{5r=250}}}
{{{highlight_green(r=50)}}}------Carrie's speed