document.write( "Question 1144302: Luanne’s age is half the sum of her brothers age and 6. If Luanne is 9 years old, how old is her brother \n" ); document.write( "

Algebra.Com's Answer #765373 by ikleyn(52803) $\"\"$ $\"About$

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\n" ); document.write( "Luanne’s age is half the sum of her $\"highlight%28cross%28brothers%29%29\"$ brother's age and 6.
\n" ); document.write( "If Luanne is 9 years old, how old is her brother
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document.write( "From the condition, we are given that\r\n" );
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document.write( "         a)  Luanne’s age is half the sum of her brothers age and 6\r\n" );
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document.write( "    and\r\n" );
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document.write( "         b)  Luanne is 9 years old.\r\n" );
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document.write( "It means that \"half the sum of her brother age and 6\" is 9.\r\n" );
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document.write( "Hence, the sum of her brother age and 6 is 9*2 = 18.\r\n" );
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document.write( "It implies that her brother age is 18-6 = 12.\r\n" );
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document.write( "ANSWER.  Her brother's age is 12 years.\r\n" );
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document.write( "CHECK.    =  = 9.   ! Correct !\r\n" );
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\n" ); document.write( "\n" ); document.write( "You may solve the problem by any way: using equations or using logical reasoning.\r
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