Answer:
The answer to your problem is, 1:4
Explanation:
In order to find a ratio using time follow the steps down below.
1 hour = 60 minutes.
60 / 15 =
4.
Since it is only one hour the first " number of the ratio " is 1:?.
( ? Indicates not found )
Since 60 / 15 = 4 then it will be our next " number of the ratio. "
Which then entitles to the ratio
1:4.
Thus, your answer is, 1:4.