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You are going on a road trip over a distance of 300030003000 kilometers with three friends. The car consumes 666 liters of gas per 100100100 kilometers and gas costs $1.20$1.20dollar sign, 1, point, 20 per liter.If you want to split the cost of gas evenly between the four of you, how much should each of you chip in?$

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Kvell
I presume you had a typo so I will presume you meant:

3000km with 3 friends
6 liters per 100 km
1 liter costs $1.20

Now let's calculate:

6l/100km means 6x30 for 3000km so we have a total fuel consumption of 180 liters for the total of 3000km

180 x $1.20 = $216 total

Dividing the total cost with 3:

$216 / 3 = $72 per friend!

That is the equal amount of money each friend has to chip in!