1. Distance Problem: Erin just purchased a new car which gets 49 miles per gallon on highway roads and 45 miles per gallon on city roads. If, in a week, Erin used a total of 12 gallons of gas for a total of 560 miles, how many miles did she travel on highway roads and how many miles did she travel on city roads? 2. Mixture Problem: Nina works in the fragrance industry and was concocting a perfume. To get the scent just right, she needed to make a final volume of 2 Liters of a 22% solution made