Answer:
249.5 minutes
Explanation:
Ali's speed is given by:
[tex]v=\frac{d}{t}[/tex]
where
d is the distance covered
t is the time taken
We know that he can run d = 12 mi in t = 114 min, so he can keep a speed of
[tex]v=\frac{12 mi}{114 min}=0.105 mi/min[/tex]
The length of a maraton is
L = 26.2 miles
So we can find the time it takes for Ali to complete the marathon as follows
[tex]t = \frac{L}{v}=\frac{26.2 mi}{0.105 mi/min}=249.5 min[/tex]