document.write( "Question 172531: I would appreciate any help on the below question. I came up with P = -x + 62. I am not sure if this is correct or if it should be P = -x + 104.\r
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\n" ); document.write( "\n" ); document.write( "1. In this problem, we will analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open market. Often, the demand equation is found empirically (through experiment, or market research). \r
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\n" ); document.write( "\n" ); document.write( "a. Suppose that a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find the equation of the line for the demand equation. Write your answer in the form p = mx + b. (Hint: Write an equation using two points in the form (x,p)). \n" ); document.write( "

Algebra.Com's Answer #127398 by Mathtut(3670) $\"\"$ $\"About$

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so we have (42,20) and (52,10) as points.....lets find the slope
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\n" ); document.write( "10-20/52-42=-10/10=-1......take any point and use point slope formula
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\n" ); document.write( "y-10=-1(x-52)
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\n" ); document.write( "y-10=-x+52
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\n" ); document.write( " $\"highlight%28y=-x%2B62%29\"$ BINGO your right \n" ); document.write( "

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