Question 1110289
<br>
You didn't ask how far EACH of them had traveled when they passed each other....<br>
So the answer is trivial: if Hope is 122 km from Vancouver, then they (TOGETHER!) had driven 122 km when they passed each other.<br>
If you wanted to know how far EACH had traveled, then note that the ratio of their speeds is 120:90 = 4:3; that means that when they passed each other Don had driven 4/7 of the 122 km and Brad had driven 3/7 of the 122 km.