document.write( "Question 377019: I apologize if this posted twice...but I don't think the first one went through.\r
\n" ); document.write( "\n" ); document.write( "Jane won $10,000. She plans to invest into two accounts one paying 5% interest and the other paying 7% interest. If she invests twice as much in the 7% account as she invests in the 5% account, how much interest will she earn in one year?\r
\n" ); document.write( "\n" ); document.write( "I couldn't figure out a way to use rPI so I divided 10,000 by 3, multiplied 3,334 by .05 and 6,666 by .07 to get $633 interest in one year. \r
\n" ); document.write( "\n" ); document.write( "Is this correct? Is there a \"better\" way to do this? \n" ); document.write( "
Algebra.Com's Answer #268054 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Your work is correct.  The only thing you could have done differently would be\r\n" );
document.write( "to get the investments to the nearest penny instead of the nearest dollar.\r\n" );
document.write( "Then the interest on the $3333.33 would be $166.66 (interest is always\r\n" );
document.write( "rounded down, for doing that benefits the interest-giver and not the\r\n" );
document.write( "investor. And over a long period of time with many investors those small\r\n" );
document.write( "fractions of a cent amount to many thousands of dollars!)  The interest on\r\n" );
document.write( "the $6666.67 would be $466.66 and the total interest would be $633.32.  \r\n" );
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document.write( "I'm not sure that's really \"better\".  If so, it isn't much \"better\", as 32\r\n" );
document.write( "cents isn't worth very much these days! :-)\r\n" );
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document.write( "Edwin
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