document.write( "Question 1157640: Lisa invested her savings in two investment funds. The
\n" ); document.write( "$
\n" ); document.write( "6000\r
\n" ); document.write( "\n" ); document.write( "that she invested in Fund A returned a
\n" ); document.write( "1
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\n" ); document.write( "\n" ); document.write( "profit. The amount that she invested in Fund B returned a
\n" ); document.write( "5
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\n" ); document.write( "\n" ); document.write( "profit. How much did she invest in Fund B, if both funds together returned a
\n" ); document.write( "2
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Algebra.Com's Answer #780508 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"+x+\" = amount invested in fund B
\n" ); document.write( "[ amount of interest received ] / [ total amount invested ] = [ combined interest rate ]
\n" ); document.write( "\"+%28+.01%2A6000+%2B+.05x+%29+%2F+%28+6000+%2B+x+%29+=+.02+\"
\n" ); document.write( "\"+%28+60+%2B+.05x+%29+%2F+%28+6000+%2B+x+%29+=+.02+\"
\n" ); document.write( "\"+60+%2B+.05x+=+.02%2A%28+6000+%2B+x+%29+\"
\n" ); document.write( "\"+60+%2B+.05x+=+120+%2B+.02x+\"
\n" ); document.write( "\"+.03x+=+60+\"
\n" ); document.write( "\"+x+=+2000+\"
\n" ); document.write( "$2,000 invested in fund B
\n" ); document.write( "-------------
\n" ); document.write( "check:
\n" ); document.write( "\"+%28+60+%2B+.05x+%29+%2F+%28+6000+%2B+x+%29+=+.02+\"
\n" ); document.write( "\"+%28+60+%2B+.05%2A2000+%29+%2F+%28+6000+%2B+2000+%29+=+.02+\"
\n" ); document.write( "\"+%28+60+%2B+100+%29+%2F+8000+=+.02+\"
\n" ); document.write( "\"+160+%2F+8000+=+.02+\"
\n" ); document.write( "\"+160+=+160+\"
\n" ); document.write( "OK
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