Mike walked 3 miles in 45 minutes. What was his rate in miles per hour? A 1/4 miles per hourB 2 1/4 miles per hour C 4 miles per hour D 15 miles per hour​

Mike walked 3 miles in 45 minutes What was his rate in miles per hour A 14 miles per hourB 2 14 miles per hour C 4 miles per hour D 15 miles per hour class=