Running: 96* 1/4=24 (person)
Skipping rope: 24*5/6=20 (person)
Long jump: 20*3/ 10=6 (person)
The second question:
36/7* 1/2= 18/7 (m)
The third question:
Type A blood: 42*2/7= 12 (human)
Blood type AB: 12*2/3=8 (human)
The fourth question:
60/ 1/ 12
=60* 12
=720 km
288*2=576 km
720 km > 576 km
No need to refuel
I hope you can adopt it.