Can someone show me how to do this?

S-7< 3 i need answering this problem someone asap answer

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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.