1st:-
18.63 ÷ 9 = 2.07
So, at this gas station they paid $2.07 per gallon.
2nd:-
29.54 ÷ 14 = 2.11
So, at this gas station they paid $2.11 per gallon.
3rd;-
33.44 ÷ 16 = 2.09
So, at this gas station they paid $2.09 per gallon.
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So, the 1st station was the cheapest price per gallon.
Hope I Helped:P