A mule deer can run one over four of a mile in 25 seconds. At this rate, which expression can be used to determine how fast a mule deer runs in miles per hour? twenty-five seconds over one-fourth mile = 36 miles per hour one-fourth mile over twenty-five seconds = 36 miles per hour one-fourth mile over twenty-five seconds = 100 miles per hour twenty-five seconds over one-fourth mile = 100 miles per hour