document.write( "Question 832897: An investor bought 225 shares of stock, stock A at $50 per share and stock B $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy? \n" ); document.write( "
Algebra.Com's Answer #502221 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! An investor bought 225 shares of stock, stock A at $50 per share and stock B $75 per share. If $13,750 worth of stock was purchased, how many shares of each kind did the investor buy? \n" ); document.write( "-------- \n" ); document.write( "Quantity: f + s = 225 shares \n" ); document.write( "Value: 50f+75s = 13750 \n" ); document.write( "-------------------------------- \n" ); document.write( "Modify: \n" ); document.write( "2f + 2s = 2*225 \n" ); document.write( "2f + 3s = 550 \n" ); document.write( "----- \n" ); document.write( "Subtract and solve for \"s\": \n" ); document.write( "s = 100 (# of $75 shares) \n" ); document.write( "---- \n" ); document.write( "Solve for \"f\": \n" ); document.write( "f = 225 - 100 = 125 (# of $50 shares) \n" ); document.write( "------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------------- \n" ); document.write( " |