document.write( "Question 343429: How much time will a $500 investment need to earn $100 in interest at a rate of 10% per year? \n" ); document.write( "
Algebra.Com's Answer #245746 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Depends. How often, if at all, is the interest compounded?\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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