Respuesta :

First, let us set up this information:

400 miles  =  15 gallons
  x miles        6 gallons

x miles = 400 miles x 6 gallons ÷ 15 gallons
x miles = 160 

Therefore you can travel 160 miles with 6 gallons of gas. 

Hope this helps!
Message me if you have questions. :)
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