A mail order firm, AmazingCo, can use one of 3 shipping couriers. Ajax Shipping charges $6 per pound and delivers in 2 days. Bilco Lanes charges $9 per pound but guarantees next day delivery. The final courier, Hobo Ltd., charges only $3 per pound but takes 4 days to deliver. AmazingCo has a quarterly budget of $280,000 and a reputation for timely delivery. Formulate the linear program so that the firm delivers as fast as possible within budget for 70,000 pounds of shipments per quarter. 
Definitions:
Antifreeze
A liquid added to the water in a cooling system to lower its freezing point, commonly used in automobile engines.
Cooling System
A system designed to remove heat from an area or machinery, commonly using a fluid or air to transfer heat away.
Algebraic Expression
An algebraic expression is a mathematical phrase that can contain numbers, variables, and operation symbols, but no equality sign.
Ratio
A relationship between two numbers indicating how many times the first number contains the second.
Q2: How long could Table 12-5's activity E
Q16: The following objective function is nonlinear: Max
Q27: In a second order exponential smoothing, a
Q30: A bakery must decide how many loaves
Q48: Transporting goods from several origins to several
Q51: The following table represents the actual vs.
Q56: Which of the following factors is (are)
Q70: The problem of a nonlinear relationship is
Q79: Given the network shown in Figure 12-1,
Q100: Gantt charts contain information about the time