A farmer produces wheat and soy in his farm of 250 acres. Each acre of wheat produced will earn him a revenue of $50 and each acre of soy will earn him a revenue of $65. Planting wheat incurs an expense of 40$ per acre and soy $50 per acre. The farmer must plant at least 10 acres of soy for every acre of wheat. The farmer has an initial amount of $25,000 for the work.

10. What can be the decision variables for the above LP(Linear Programing) problem?

1. initial expense of each wheat and soy
2. amount of profit of each wheat and soy
3. # of acres for each wheat and soy
4. not enough information to solve the problem

11. In the question above, what is the number of acres of wheat that should be planted?

1. 0
2. 150
3. 246
4. 46

12. in the problem above, whats your advice to the farmer?

1. get more investment funds, if possible
2. get more land, if possible
3. both a and b
4. nothing can be changed