document.write( "Question 951361: George has 2 younger nieces, Emma and Maribel- Emma is he older of the 2 girls. He was thinking about their ages the other day. He realized these facts:
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document.write( "• in four years, he'll be 3 times as old as Maribel is right now
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document.write( "• in five years, his age will equal to the sum of his nieces' ages at that point
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document.write( "• three times Emma's age now, minute Maribel's present age, tells George's age last year
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document.write( "Assume everybody has whole-number ages- no decimals here!
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document.write( "How old is everybody right now? \n" );
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Algebra.Com's Answer #580961 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! George has 2 younger nieces, Emma and Maribel- \n" ); document.write( "Emma is the older of the 2 girls. \n" ); document.write( "He was thinking about their ages the other day. He realized these facts: \n" ); document.write( "• in four years, he'll be 3 times as old as Maribel is right now \n" ); document.write( "g+4 = 3m \n" ); document.write( "----------------------- \n" ); document.write( "• in five years, his age will equal to the sum of his nieces' ages at that point \n" ); document.write( "g+5 = e+5 + m+5 \n" ); document.write( "g - e - m = 5 \n" ); document.write( "--------------------- \n" ); document.write( "• three times Emma's age now, minus Maribel's present age, tells George's age last year \n" ); document.write( "g-1 = 3e - m \n" ); document.write( "g - 3e + m = 1 \n" ); document.write( "---------------------- \n" ); document.write( " \n" ); document.write( "Assume everybody has whole-number ages- no decimals here! \n" ); document.write( "How old is everybody right now? \n" ); document.write( "----- \n" ); document.write( "Rearrange: \n" ); document.write( "g + 0 - 3m = -4 \n" ); document.write( "g - e - m = 5 \n" ); document.write( "g - 3e + m = 1 \n" ); document.write( "-------------------- \n" ); document.write( "I used a matrix program on my TI-84 to get \n" ); document.write( "g = 29 yrs \n" ); document.write( "e = 13 yrs \n" ); document.write( "m = 11 yrs \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |