Roy guessed that there were 15 baseballs in the bag, but when he counted, there were really 18. What is the percent error?

I believe it’s 16.7 correct me if I’m wrong.

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints