document.write( "Question 1205009: A wax candle is 16cm long and 1½cm in diameter, it is melted and made into 4 identical candles each of which is 9cm long. What is the diameter of these candles? \n" ); document.write( "
Algebra.Com's Answer #841610 by ikleyn(52879)\"\" \"About 
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\n" ); document.write( "A wax candle is 16cm long and 1½cm in diameter, it is melted and made into 4 identical candles
\n" ); document.write( "each of which is 9cm long. What is the diameter of these candles?
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\n" ); document.write( "\n" ); document.write( "        The shorter the solution, the clearer its meaning is.\r
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document.write( "Equate the volumes\r\n" );
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document.write( "    \"pi%2Ar%5E2%2Ah\" = \"4%2Api%2AR%5E2%2AH\"\r\n" );
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document.write( "Cancel  \"pi\"  in both sides and substitute the given data\r\n" );
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document.write( "    \"%281.5%2F2%29%5E2%2A16\" = \"4%2AR%5E2%2A9\"\r\n" );
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document.write( "    \"2.25%2F4\"*16 = \"4%2AR%5E2%2A9\"\r\n" );
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document.write( "    9 = \"36R%5E2\"\r\n" );
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document.write( "    \"R%5E2\" = \"9%2F36\" = \"1%2F4\"\r\n" );
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document.write( "    R = \"sqrt%281%2F4%29\" = \"1%2F2\".\r\n" );
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document.write( "ANSWER.  The diameter of the produced candles is \"2%2A%281%2F2%29\" = 1 cm each.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Thanks to tutor @MathTherapy for noticing my error.\r
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\n" ); document.write( "\n" ); document.write( "After his notice, I fixed my post, and now you see the updated / (correct) version.\r
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