Question 720876
Which Plane___________rate______________time________________distance
First Fast____________3r________________2___________________3r*2
Second Slower__________r________________2___________________r*2
Their Difference________________________2___________________368


One plane went farther than the other creating distance between them of 368 miles.  The difference from "distance" column expressions is {{{highlight(3r*2-r*2=368)}}}.  Obviously showing the subtraction of the slower plane distance from the faster plane distance is most sensible.  Solve for r.  Compute 3r.


Note, equation simplifies to {{{4r=368}}}.