A runner is 7/8 mile from the finish line. If she can travel 3/8 mi./m how long will it take her to finish the race?

Respuesta :

time = distance / speed
time = (7/8) / (3/8)
        = 7/8 * 8/3
        = 7/3 or 2 1/3 minutes or 2 minutes and 20 seconds