Match the mathematical expression with its transition

Match each function with the corresponding function formula when h(x)=5-3x and g(x)=-3+5

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Answer! if you don’t mind, can you explain