document.write( "Question 749784: The ratio of AB: BC is 3:2. If AC=15 cm, find the length of AB \n" ); document.write( "
Algebra.Com's Answer #456157 by stanbon(75887)\"\" \"About 
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The ratio of AB: BC is 3:2. If AC=15 cm, find the length of AB
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\n" ); document.write( "AB = 3x
\n" ); document.write( "BC = 2x
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\n" ); document.write( "Equation:
\n" ); document.write( "3x + 2x = 15
\n" ); document.write( "5x = 15
\n" ); document.write( "x = 3
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\n" ); document.write( "AB = 3x = 3*3 = 9
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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