Answer:
It was greater from 2015 to 2016.
Step-by-step explanation:
From 2015 to 2016 it was a 30 person difference
From 2014 to 2017 there was a 5 person difference
2
(3/4)/(9/2)=1/6 tank of gas used every hour.
1/6*12=2 tanks of gas used in 12 hours.
14 days