Charlie runs at a speed of 3 yards per second. about how many miles per hour does charlie run

To find the answer, you first must find how many yards Charlie can run in a minute. Since there are 60 seconds in a minute, you multiply 3 times 60, which is 180. Then you must multiply this number by 60 again, because there are 60 minutes in an hour. This equals 10,800, your answer.

Charlie can run 10,800 yards in an hour.

If your asking how much altogether for 12 performance the answer will be 98,496.