Answer:
11.25
Step-by-step explanation:
Find the ratio and equivalent fractions:
45 miles/60 minutes
?/15 minutes
60/4=15
*Remember: Whatever you do to the bottom (the denominator), you do to the top (the numerator)
So, 45/4= 11.25
Therefore, the answer is 11.25.
You can double-check by cross multipliying