Ed is on a road trip. He has already traveled 231 miles and is driving at a rate of 68 miles per hour. Which equation could be used to find how many hours, x, Ed has left in his road trip if he is traveling 694 total miles?
A.
68x + 694 = 231
B.
231x + 694 = 68
C.
231x + 68 = 694
D.
68x + 231 = 694
The correct equation would be:
68x + 231 = 694
So, the answer is D.