16. Demand Equation: The demand per week for a best selling book is 26,000 books when the price is $16.00 each, and 10,000 books when the price is $24 each. Find the demand equation for the book. assuming that it is linear.
17. Supply Equation: A refrigerator manufacturer will produce 3000 units when the price is $940 and 2200 units when the price si $740. Assume that price, p, and quantity, q, produced are linearly related and find the supply equation.
26. Appreciation: A house purchased for $198,000 is expected to double in value in 18 years. Find the linear equation that describes the houses value after x years.
Slopes, Intercepts and Linear Equations Word Problems are investigated. The solution is detailed and well presented.