onsider: A farmer can plant up to 20 acres of land with wheat and barley. He can earn $8,000 for every acre he plants with wheat and $5,000 for every acre he plants with barley. His use of a necessary pesticide is limited by federal regulations to 10 gallons for his entire 20 acres. Wheat requires 2 gallons of pesticide for every acre planted and barley requires just 1 gallon per acre. Problem: What is the maximum profit he can make?

Assumptions: let x = the number of acres of wheat let y = the number of acres of barley Which of the following is a valid constraint for this problem?

Question 6 Select one:

a.

y <= 10 - 2x

b.

x <= 0

c.

x <= 10 - x

d.

y <= 20 - 2x