document.write( "Question 714248: Can someone please help me with this word problem? This is the problem; A professor invests $15000 at 6%. How much should he invest at 7% in order to earn $1250 in total interest for the year? \n" ); document.write( "

Algebra.Com's Answer #438734 by josmiceli(19441) $\"\"$ $\"About$

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For the investment @ 6%, he earned
\n" ); document.write( " $\"+.06%2A15000+=+900+\"$
\n" ); document.write( "He wants to earn $1250 total interest
\n" ); document.write( " $\"+1250+-+900+=+350+\"$
\n" ); document.write( "--------
\n" ); document.write( "Let $\"+x+\"$ = the amount that he must invest @7%
\n" ); document.write( "in order to earn $350
\n" ); document.write( " $\"+.07x+=+350+\"$
\n" ); document.write( " $\"+x+=+350+%2F+.07+\"$
\n" ); document.write( " $\"+x=+5000+\"$
\n" ); document.write( "He must invest $5,000 @ 7%
\n" ); document.write( " \n" ); document.write( "

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