document.write( "Question 345876: Erica invested a total of $5,000, part at 3% simple interest and part at 4% simple interest. At the end of 1 year, the investment had earned $176 interest. How much was invested at each rate? \n" ); document.write( "
Algebra.Com's Answer #247304 by rfer(16322)\"\" \"About 
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0.03x+0.04(5000-x)=176
\n" ); document.write( "0.03x+200-0.04x=176
\n" ); document.write( "-0.01x=-24
\n" ); document.write( "x=2400 at 3%
\n" ); document.write( "5000-2400=2600 at 4%
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