document.write( "Question 1126607: Ashley is 64 years old and Stephanie is 18 years old. How many years will it take until Ashley is only 3 times as old as Stephanie? \n" ); document.write( "

Algebra.Com's Answer #742920 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "64 + x = 3*(18+x),   where x is the value under the question.\r\n" );
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document.write( "64 + x = 54 + 3x\r\n" );
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document.write( "64 - 54 = 3x - x\r\n" );
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document.write( "10 = 2x  ====>  x = 10/2 = 5 years.\r\n" );
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document.write( "Answer.  In 5 years.\r\n" );
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document.write( "Check.   In 5 years they will be  69 and 23 years old.   69 = 23*3.   ! Correct !\r\n" );
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