It’s took Carla 36 minutes To run four miles. Convert this ratio into a unit rate by finding how long it took Carla to run one mile
A.9 miles/minute
B.1/9 minutes/mile
C.9 minutes/mile
D.1/9 miles/minutes
First, we need to find Carla's rate of running in miles per minute. To do this, we divide the number of miles by the number of minutes: 4 miles / 36 minutes = 1/9 miles per minute.
Therefore, the unit rate is 1/9 miles per minute, which is equivalent to option D.