document.write( "Question 935065: Michelle Payne deposited $8,000 in a savings account paying 6.25% simple interest. How long will it take for her investment to amount to $10,000?\r
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Algebra.Com's Answer #568181 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Use the formula A = P*(1+r*t) where in this case \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = 10,000 \n" ); document.write( "P = 8,000 \n" ); document.write( "r = 0.0625\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and solve for t\r \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " A = P*(1+r*t)\r\n" ); document.write( " 10000 = 8000*(1+0.0625*t)\r\n" ); document.write( " 10000/8000 = 1+0.0625*t\r\n" ); document.write( " 1.25 = 1+0.0625*t\r\n" ); document.write( " 1.25 - 1 = 0.0625*t\r\n" ); document.write( " 0.25 = 0.0625*t\r\n" ); document.write( " 0.0625*t = 0.25\r\n" ); document.write( " t = 0.25/0.0625\r\n" ); document.write( " t = 4\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It will take 4 years\r \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more one-on-one help, email me at jim_thompson5910@hotmail.com. You can ask me a few more questions for free, but afterwards, I would charge you ($2 a problem to have steps shown or $1 a problem for answer only).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Alternatively, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Any amount is greatly appreciated as it helps me a lot. This donation is to support free tutoring. Thank you.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim\r \n" ); document.write( "\n" ); document.write( "------------------------------------------------------------------------------------------------------------------------ \n" ); document.write( " |