Step-by-step explanation:
x = the number
2x - 25 = x
2x = x + 25
x = 25
2/3 is equivalent to 16/24
and 5/8 is equivalent to 15/24 miles
15/24+16/24= 31/24
31/24 simplifies to 1 6/24
Which simplifies down to 1 1/6
Miles ran 1 and 1/6 miles
C is the correct answer I think