Respuesta :

Set up a proportion:

 8 gallons                    1 gallon

------------------      =    -------------------

 25.60 dollars              x dollars

Then, cross multiply

8x= 25.60

x = 3.20 dollars

Answer:

25.60/8=3.2 because to find per gallon 8/8=1 and 25.60/8=3.2

Step-by-step explanation: