If gasoline costs $ 3.10 per gallon in the united states, what is the break-even price per gallon of e85 if the same amount of energy is to be delivered?

2.2 dollar is answer

Step-by-step explanation:

14 gallons of e85 = 10 gallons of gas

1 gallon of gas = $3.10

$3.10 gallon of gas = 3.10*10

                                =$31

14 gallon of e85 = 10 gallans of $3.10

                            =$31

1 gallaon of e85=31/14

                          = $ 2.2

answer:

at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.  

so that's an initial value of 1000 and a ratio of 2,

y = 1000 (2^x)

hope this !