Answer
28 minutes or 7/15 of an hour
Explanation:
We know that Rate*Time = Distance. Because we are given distance and rate, we can easily change the equation to Distance/Rate = Time.
7/8 / 1 7/8 =
7/8 / 15/8 =
7/8 * 8/15 =
7/15 hour
7/15 * 60 = 28 minutes