Question

Gina can run 21 laps in 7 minutes.what is her average running rate in laps per minute

Answer 1

Average running time = $\frac{laps run}{time taken}$
                                   = $\frac{21 laps}{7 mins}$
                                   = 3 laps / min 

Answer 2

3 because 21/7=3
hope this helps!!!