document.write( "Question 940215: If a person invested half of her money a 8% and half at 6% and received $210 in interest, find the total amount of money invested. \r
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\n" ); document.write( "\n" ); document.write( "What is the formula for attempting to figure this out?
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Algebra.Com's Answer #573006 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
I = Prt, Assuming t = 1 year
\n" ); document.write( "\".08%28P%2F2%29+%2B+.06%28P%2F2%29+=+210\" Multiplying thru by 2 so as all denominators = 1
\n" ); document.write( ".14P = 420
\n" ); document.write( " P = 420/.14 = $3000
\n" ); document.write( "And...checking ($1500 at each rate)
\n" ); document.write( "$120 + $90 = $210
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