Answer:
44 students were in each bus.
Step-by-step explanation:
313-5=308/7=44
0 it is at ocean level so elevation is zero
12 salads in 20 min
divide both by 2
6 salads in 10 min
divide by 2
3 salads in 5 min
20 min plus 20 min plus 5 min= 45 min
12+12+3=27 salads in 45 minutes