Question 841712
This data table indicates both how the variable, t, is assigned and the expressions for the distance.  The times and t are in time QUANTITIES, not as time points on a cock or number line.  Just recall that the question is for the TIME ON THE CLOCK, A  POINT OF TIME OF THE DAY, so you'll need to make the appropriate adjustment computation after solving for t.


_________________speed____________time___________distance
Rae______________12_______________t+2____________d=12(t+2)
Myra_____________18________________t_____________d=18t


There is a lesson for this form of travel problem:
http://www.algebra.com/tutors/Uniform-Rates-Travel%3A-same-direction-but-different-travel-times-meet-when%3F.lesson?content_action=show_dev