document.write( "Question 917754: two years ago nasir's grandpa was 7 times as old as nasir .Three years from now Nasir's grandpa will be five times as old as him.What is the age of the grandpa today? \n" ); document.write( "

Algebra.Com's Answer #556790 by Edwin McCravy(20056) $\"\"$ $\"About$

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G = Grandpa's age now\r\n" );
document.write( "N = Nasir's age now\r\n" );
document.write( "G-2 = Grandpa's age 2 years ago\r\n" );
document.write( "N-2 = Nasir's age 2 years ago\r\n" );
document.write( "G+3 = Grandpa's age 3 years from now\r\n" );
document.write( "N+3 = Nasir's age 3 years from now

two years ago nasir's grandpa was 7 times as old as nasir

G-2 = 7(N-2)\r\n" );
document.write( "G-2 = 7N-14\r\n" );
document.write( "  G = 7N-12

Three years from now, Nasir's grandpa will be five times as old as him.

G+3 = 5(N+3)\r\n" );
document.write( "G+3 = 5N+15\r\n" );
document.write( "  G = 5N+12\r\n" );
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document.write( "7N-12 = 5N+12\r\n" );
document.write( "   2N = 24\r\n" );
document.write( "    N = 12\r\n" );
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document.write( "G = 7N-12 = 7(12)-12 = 84-12 = 72.\r\n" );
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document.write( "Edwin

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