document.write( "Question 1174972: Two sisters are presently 2 years old and 12 years old. How many years will have to pass before the elder sister is 1 1/2 times the age of the younger sister? \n" ); document.write( "

Algebra.Com's Answer #800482 by ikleyn(52890) $\"\"$ $\"About$

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document.write( "x years later\r\n" );
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document.write( "    12 + x = 1.5*(2 + x)\r\n" );
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document.write( "It is your basic equation.\r\n" );
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document.write( "Simplify and solve it\r\n" );
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document.write( "    12 + x = 3 + 1.5x\r\n" );
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document.write( "    12 - 3 = 1.5x - x\r\n" );
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document.write( "       9   = 0.5x\r\n" );
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document.write( "       x   =   = 18.\r\n" );
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document.write( "ANSWER.  18 years later.\r\n" );
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