To find Chen's average speed, we can divide the total distance he traveled by the total time it took him.
Total distance: 3 3/4 miles
Total time: 3/4 hours
Average speed = Total distance / Total time
Average speed = (15/4) / (3/4)
Average speed = (15/4) * (4/3)
Average speed = 15/3
Average speed = 5 miles per hour
Therefore, Chen's average speed was 5 miles per hour.
Chen rode his skateboard 3 3/4 miles in 3/4 off an hour. What was his average speed in miles per hour?
1 answer