We have
tha table of the store one
and a graph for the store two
First we need to calculate the price per gallon of the Store 1
[tex]1\text{ gallon=}\frac{57}{3}=19[/tex]Then we calculated the price per gallon of the Store 2
the point in the image can help us
(5,100)
that means
5 gallons cost $100
The cost per gallon in Store 2 is
[tex]1\text{ gallon=}\frac{100}{5}=20[/tex]Store 1 : 1 gallon per