While in Europe, if you drive 115 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 40.0 mi/gal?

Answer 1

Here's the conversion from 40 mpg to km per liter.

http://www.vangeyn.net/mpg/?mpg=40&submit=Convert