Answer:
There would be 15 girls and 21 boys
Okay please take another picture of it and repost it.
I love math and i believe tjat the answer to my belief is 2
1,680 divided by 400 = 4.2
So we know that Xian has done 4.2 laps.
4.2 divided by 14 = 0.3
0.3 x 100 = 30%
Therefore, Xian has finished 30% of the run