Answer:
Option C is correct.
Step-by-step explanation:
Distance already traveled by Ed [tex]=211[/tex] miles
Also, Ed is driving at a rate of 63 miles per hour.
Distance [tex]=[/tex] Speed × Time
Distance traveled by Ed in [tex]x[/tex] hours [tex]=63x[/tex]
Total distance traveled by Ed [tex]=211+63x[/tex]
Also, total distance traveled by Ed is [tex]638[/tex] miles.
Therefore,
[tex]638=211+63x[/tex]
Option C is correct.