In the bay area , the golden gate charges a toll of $15. the bay bridge charges $7.5. you use each bridge some number of times , for a total of 11 uses . if you spend $105 in total on tolls . how many times did you use each bridge ?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.