document.write( "Question 195421: ok i have a problem I have tried many things I cannot figure out the equation can you help? It states a person has 50000 she gave 20000 to charity then invested rest I assume she invested 30000 so this is where she invested it bank one was some money dont say how much at 16% interest for one yr and bank 2 was 25% interest for one yr total amount she made was 6060... now i tried 0.16x + o.25x=6060 that dont give me anything but a headache I also tried x+y=6060 now i tried that too and got another headache how can i set this equation up if i do not know the amount of the investment per account?? any help would be appreciated \n" ); document.write( "
Algebra.Com's Answer #146555 by nerdybill(7384) You can put this solution on YOUR website! has 50000 she gave 20000 to charity then invested rest I assume she invested 30000 so this is where she invested it bank one was some money dont say how much at 16% interest for one yr and bank 2 was 25% interest for one yr total amount she made was 6060 \n" ); document.write( ". \n" ); document.write( "Let x = amount invested at 16% \n" ); document.write( "then \n" ); document.write( "30000-x = amount invested at 25% \n" ); document.write( ". \n" ); document.write( ".16x + .25(30000-x) = 6060 \n" ); document.write( ".16x + 7500 - .25x = 6060 \n" ); document.write( "7500 - .09x = 6060 \n" ); document.write( "- .09x = -1440 \n" ); document.write( "x = $16000 (amount invested at 16%) \n" ); document.write( ". \n" ); document.write( "Amount invested at 25% \n" ); document.write( "30000-x = 30000-16000= $14000 \n" ); document.write( " |