document.write( "Question 260125: Carol Britz plans to buy shares of two stocks. One costs $32 per share and pays dividends of $1.20 per share. The other costs $23 per share and pays dividends of $1.40 per share. She has $10,100 to spend and wants to earn dividends of $540. how many shares of each stock should she buy? \n" ); document.write( "
Algebra.Com's Answer #191585 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Carol Britz plans to buy shares of two stocks. One costs $32 per share and pays dividends of $1.20 per share. The other costs $23 per share and pays dividends of $1.40 per share. She has $10,100 to spend and wants to earn dividends of $540. how many shares of each stock should she buy? \n" ); document.write( "---------------------- \n" ); document.write( "Cost Equation: 32x + 23y = 10,100 \n" ); document.write( "Dividend Eq::: 1.20x+1.40y = 540 \n" ); document.write( "----------------------------------------- \n" ); document.write( "Multiply thru the 2nd equation by 10 to get: \n" ); document.write( "12x + 14y = 5400 \n" ); document.write( "32x + 23y = 10,100 \n" ); document.write( "---- \n" ); document.write( "Multiply thru the 1st equation by 32 \n" ); document.write( "Multiply thru the 2nd equation by 12 \n" ); document.write( "---- \n" ); document.write( "32*12x + 32*14y = 32*5400 \n" ); document.write( "12*32x + 12*23y = 12*10,100 \n" ); document.write( "--------------------- \n" ); document.write( "Subtract the 2nd from the 1st equation: \n" ); document.write( "172y = 51600 \n" ); document.write( "y = 300 (# of $23 stocks to buy) \n" ); document.write( "--------------------- \n" ); document.write( "Substitute into 12x + 14y = 5400 and solve for \"x\": \n" ); document.write( "12x + 14*300 = 5400 \n" ); document.write( "12x = 1200 \n" ); document.write( "x = 100 (# of $32 stocks to buy) \n" ); document.write( "===================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |