document.write( "Question 1003160: The price per unit, p and the demand x, for a particular material are related by the linear equation p=40-2/5x, while the supply is given by the linear equation p= 2/5x. At what value of p does supply equal demand? \n" ); document.write( "
Algebra.Com's Answer #620017 by fractalier(6550)\"\" \"About 
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From p=40-2/5x and p= 2/5x we can set them equal and get
\n" ); document.write( "40 - (2/5)x = (2/5)x
\n" ); document.write( "40 = (4/5)x
\n" ); document.write( "x = 50
\n" ); document.write( "Then
\n" ); document.write( "p = (2/5)x = (2/5)(50) = 20
\n" ); document.write( "
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