Question 893028
Monica travels for t hours of time, having left later, but moving faster than Sandy.
Each departed from the same place and after t hours are at the same distance.


_______________speed_________time________distance
SANDY__________40____________1+t_________d
MONICA_________50_____________t__________d


{{{40(t+1)=d=50t}}}
{{{40(t+1)=50t}}}
{{{4(t+1)=5t}}}
{{{4t+4=5t}}}
{{{highlight(t=4)}}}