If abc~avw find the values of x and y

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)