Answer:
it is roughly 15.3 laps (i rounded 1.6666666666667 to 1.7) i'll explain
Explanation:
ratio of laps to minutes: 9:12,
20/12 = 1.6666666666667 rounded to 1.7
9 x 1.7 = 15.3
sorry that i had to round and that it is a little off, hoped i helped you tho