How long will it take to ride a bicycle 20 miles at 12 an hour?

Explanation:

To calculate the amount of time it will take to ride a bicycle 20 miles at 12 miles per hour, we can use the formula:

Time = Distance / Speed

Time = 20 miles / 12 miles per hour

Time = 1.667 hours

Converting the decimal to minutes:

Time = 1 hour and 40 minutes

Therefore, it will take 1 hour and 40 minutes to ride a bicycle 20 miles at 12 miles per hour.