Question 838357
___________speed________time__________distance
Go_________200__________t+1___________200(t+1)
Back_______250___________t____________250t


Distance expressions come from {{{R*T=D}}}, with R rate, T time in hours, D distance in miles.


The distances each way are equal.
{{{200(t+1)=250t}}}
{{{4(t+1)=5t}}}
{{{4=t}}} time to get "Back" is 4 hours.