Step 1If you like the solution then please give it a thumbs up...The Answer is:    The price that maximizes the selling is x= 2    Total number of cups is 300 cups.Step 2Explanation:Given:n(x)= x^(2-x) + 2=> n(x)= x^2 / x^x  + 2We need to find the maximum value. Now we will find th ... See the full answer