In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data
Lina
3 miles in 23 minutes
miles = 15
time = ?
Step 02:
[tex]\text{time = 15 miles}\cdot\frac{23\text{ minutes}}{3\text{ miles}}[/tex]time = 115 minutes
The answer is:
115 minutes