Question

Going from an LP problem to its dual...

A. the sign of the inequalities does not change
B. none of the others
C. the coeficients of the objective do not change
D. the number of constraint does not change

Answer 1

90-xy

Explanation:

xy = 22

therefore , 90-22 = 78

So, 78 will be xy

Now, x will be 39 and y will be 39 .

Maths is just easy