Derrick lives 3 miles from the park. he rode his bicycle to the park at an average speed of 9 miles per hour. how many minutes did it take derrick to ride his bicycle to the park?

20 minutes.

Step-by-step explanation:

First of all we will find how much time it will take Derrick to travel one mile by dividing total time taken (1 hour=60 minutes) by total distance (9 miles).  

We can see that Derrick takes 6.67 minutes to travel one mile.

Now let us multiply time taken by Derrick to travel 1 mile by 3 to find the time taken by derrick to travel 3 miles.

Therefore, Derrick will take 20 minutes to ride his bicycle to the park.

.mp4 files, because, video