document.write( "Question 909285: Suki Hiroshi has made investment of $2500 at an annual simple rate of 7%. How much money does she have invested at an annual simple rate of 11% if the total interest earned is 9% of the total investment? \n" ); document.write( "

Algebra.Com's Answer #551761 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+x+\"$ = amount invested at 11% simple interest
\n" ); document.write( "The total interest earned is:
\n" ); document.write( " $\"+.07%2A2500+%2B+.11x+\"$
\n" ); document.write( "---------------------
\n" ); document.write( "given:
\n" ); document.write( " $\"+.07%2A2500+%2B+.11x+=+.09%2A%28+2500+%2B+x+%29+\"$
\n" ); document.write( " $\"+175+%2B+.11x+=+225+%2B+.09x+\"$
\n" ); document.write( " $\"+.02x+=+50+\"$
\n" ); document.write( " $\"+x+=+2500+\"$
\n" ); document.write( "The amount invested at 11%
\n" ); document.write( "simple interest is $2,500
\n" ); document.write( "check:
\n" ); document.write( " $\"+.07%2A2500+%2B+.11%2A2500+=+.09%2A%28+2500+%2B+2500+%29+\"$
\n" ); document.write( " $\"+175+%2B+275+=+.09%2A5000+\"$
\n" ); document.write( " $\"+450+=+450+\"$
\n" ); document.write( "OK \n" ); document.write( "

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