document.write( "Question 1123239: sarah was born when her father was 24 years old.After how long will her father be three times her age? shedunankai@gmail.com \n" ); document.write( "

Algebra.Com's Answer #739529 by ikleyn(52792) $\"\"$ $\"About$

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document.write( "Let x = \"after how long\" years.\r\n" );
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document.write( "Then your equation is\r\n" );
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document.write( "3x = x + 24\r\n" );
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document.write( "2x = 24  ====>  x = 24/2 = 12.\r\n" );
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document.write( "In 12 years, Sarah is 12, while her father is 12 + 24 = 36, and 36 is 3 times 12.\r\n" );
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