Answer:
9.354kg
Step-by-step explanation:
The Lagrangian is

It has critical points where the first order derivatives vanish:



From the first two equations we get

Then

At these critical points, we have
(maximum)
(minimum)
yes because you have to pay more it's tricky
73/4 is the answer to your question sir your welcome
Step-by-step explanation:
It's 6r+5y. But it's not in the option