The number of siblings a student has and the grade they have in math class

Um.. Is this a question ?

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

only 10/60 isn't equivalent

hope this : )