Posted by Jill on Friday, September 30, 2011 at 4:43pm.
a. Suppose a market research company finds that at a price of p = $30, they would sell x = 58 tiles each month. If they lower the price to p = $18, then more people would purchase the tile, and they can expect to sell x = 70 tiles in a monthâ€™s time. Find the equation of the line for the demand equation.

Math  Henry, Saturday, October 1, 2011 at 8:53pm
(58,30), (70,18),
m = (1830) / (7058) = 12 / 12 = 1.
Y = mx + b = 30,
1*58 + b = 30,
b = 88.
Eq: P = X + 88

Math  Anonymous, Thursday, September 17, 2015 at 3:59pm
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