Respuesta :
Answer: 25 miles
Step-by-step explanation:
Given : The distance is remaining to travel to reach the beach from the sign = 21 miles
The distance between the beach and his house = 46 miles
Now, the distance Cameron traveled already is given by :-
[tex]\text{Total distance-Remaining distance}\\\\=46-21=25\text{ miles}[/tex]
Hence, Cameron already traveled 25 miles.