document.write( "Question 51845: An investor plans to invest part of 5,000$ in a stock that pays 8% interest annually. The rest will be invested in a savings account that pays 6% interest annually The investor wants to make at least 350$ on the investment for the first year. What is the least amount that should be invested in the stock. \n" ); document.write( "
Algebra.Com's Answer #34576 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! An investor plans to invest part of 5,000$ in a stock that pays 8% interest annually. The rest will be invested in a savings account that pays 6% interest annually The investor wants to make at least 350$ on the investment for the first year. What is the least amount that should be invested in the stock. \n" ); document.write( "--------------------\r \n" ); document.write( "\n" ); document.write( "Let amount invested at 8% be \"x\". \n" ); document.write( "Interest on this money will be 0.08x dollars. \n" ); document.write( "Amount invested at 6% will be \"5000-x\" \n" ); document.write( "Interest on this money will be 0.06(5000-x)= 300-0.06x dollars \n" ); document.write( "INEQUALITY: \n" ); document.write( "interest + interest >=350 dollars \n" ); document.write( "0.08x +300-0.06x>=350 \n" ); document.write( "8x+30000-6x>=35000 \n" ); document.write( "2x>=5000\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( "x>=$2500 (Amount invested in 8% stock) \n" ); document.write( " |