document.write( "Question 1118006: Mr. Dunnn invested $35,000 part at 8% and the rest at 5%. His anual income from the 8% investment was $450 less than his annual income from the 5% investment. Find the amount he invested at each rate. \n" ); document.write( "
Algebra.Com's Answer #733197 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Mr. Dunn invested $35,000 part at 8% and the rest at 5%. \n" ); document.write( "let x = amt invested at 8% \n" ); document.write( "The total is 35000, therefore \n" ); document.write( "(35000-x) = amt invested at 5% \n" ); document.write( " His annual income from the 8% investment was $450 less than his annual income from the 5% investment. \n" ); document.write( ".05(35000-x) - .08x = 450 \n" ); document.write( "1750 - .05x - .08x = 450 \n" ); document.write( "-.13x = 450 - 1750 \n" ); document.write( "-.13x = -1300 \n" ); document.write( "x = -1300/-.13 \n" ); document.write( "x = $10,000 invested at 8% \n" ); document.write( "then \n" ); document.write( "35000-10000 = $25,000 invested at 5% \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm this find the actual amt of income from each \n" ); document.write( ".05(25000) = 1250 \n" ); document.write( ".08(10000) = 800 \n" ); document.write( "------------------- \n" ); document.write( "difference: 450\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |