document.write( "Question 1197648: In preparing a bid for constructing a new building,a contractor determines that the foundation and basement will cost $605000 and the first floor will cost $360000.Each floor above the first will cost $15000 more than the one below it.How much will the building cost if it is to be 18 floors high?
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Algebra.Com's Answer #831025 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "How much will the building cost if it is to be 18 floors high?\r\n" );
document.write( "$360,000 + Cost of 18 Floors:\r\n" );
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document.write( "cost of the 18 Floors:\r\n" );
document.write( " S = (n/2)(2a + (n-1)d)   a = 150,000  n = 18, d = 15,000\r\n" );
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document.write( " S = (18/2)(2(150,000) + (18-1)15000)= $4,995,000\r\n" );
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document.write( "$360,000 + $4,995,000 = $5,355,000\r\n" );
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document.write( "Wish You the Best in your Studies.\r\n" );
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