document.write( "Question 1098767: Some friends tell you that they paid $31,248 down on a new house and are to pay $746 per month for 15 years. If interest is 6.6% compounded monthly, what was the selling price of the house? How much will they pay in 15 years? \n" ); document.write( "
Algebra.Com's Answer #713207 by josmiceli(19441)\"\" \"About 
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\"+12%2A15+=+180++\" months total
\n" ); document.write( "\"+746%2A180+=+134280+\" = interest plus
\n" ); document.write( "principal paid over 180 months
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\n" ); document.write( "\"+i+%2B+P+=+134280+\"
\n" ); document.write( "\"+I+=+134280+-+P+\"
\n" ); document.write( "---------------------
\n" ); document.write( "\"+134280+-+P+=+P%2A%28+1+%2B+r%2F12+%29%5E%2812%2A15+%29+\"
\n" ); document.write( "\"+134280+-+P+=+P%2A%28+1+%2B+.066%2F12+%29%5E180+\"
\n" ); document.write( "\"+134280+=+P+%2B+P%2A1.0055%5E180+\"
\n" ); document.write( "\"+132480+=+P%2A%28+1+%2B+2.68394+%29+\"
\n" ); document.write( "\"+P+=+132480%2F3.68394+\"
\n" ); document.write( "\"+P+=+35961.5+\"
\n" ); document.write( "------------------------
\n" ); document.write( "Principal + down payment =
\n" ); document.write( "\"+35961.5+%2B+31248+=+67209.5+\"
\n" ); document.write( "The selling price was $67,209.50
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\n" ); document.write( "In 15 yrs, they pay $134,280
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\n" ); document.write( "check the math and get
\n" ); document.write( "a 2nd opinion if needed\r
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