[100 pts] Jackie is looking to buy a new car. She wants to understand the environmental impact of her car and try to reduce her usage to one tank a week. Outside of that, she will try to use public transportation and her bike. She is looking at a car that has a 15-gallon tank. How many pounds of carbon dioxide will she emit each week if she buys this car?
235 pounds
185 pounds
135 pounds
285 pounds