How many Calories (that is, kilocalories) are in a 42.0 g serving of potato chips if we assume that they are essentially 50% carbohydrate, and 50% fats?

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars