A farmer is going to divide her 60 acre farm between two crops.Seed for crop A costs $20 per acre. Seed for crop B costs $40 peracre. The farmer can spend at most $2200 on seed.
If crop B brings in a profit of $320 per acre, and crop A brings ina profit of $140 per acre, how many acres of each crop should thefarmer plant to maximize her profit?