Answer:
Troy ran 228 miles.
Explanation:
Ashlynn (a) ran 19 miles. Troy (t) ran 3 times as many miles as Edwin, and Edwin (e) ran 4 times as many miles as Ashlynn.
So,
a=19
E=a•4
t=e•3
Knowing a=19, we can solve the first equation. e=19•4, 19•4=76 so e=76
Knowing e=76 we can solve the second equation t=76•3, 76•3=228 so t=228