Set up the linear programming problem. Do not attempt to solve it. The American Mathematics Teachers Association holds a four-day conference on technology in the classroom. The organizers plan to rent computers to be placed in the location of each session. They need the following number of computers:

		No. of Computers
First Day		11
Second Day		14
Third Day		19
Fourth Day		22

They can rent computers for two consecutive days for $65 each or for three consecutive days for $85 each. Find the number that should be rented for each two-day and for each three-day period so that rental cost is a minimum. (Let x₁ represent the number of computers rented at the two-day rate starting on the first day, x₂ the number of computers rented at the two-day rate starting on the second day, x₃ the number of computers rented at the two-day rate starting on the third day, x₄ the number of computers rented at the three-day rate starting on the first day, x₅ the number of computers rented at the three-day rate starting on the second day, and z the cost in dollars.)

---Select--- Maximize Minimize z =

, subject to

needed first day
needed second day
needed third day
needed fourth day
		x1 0, x2 0, x3 0, x4 0, x5 0