document.write( "Question 911916: My grandma is three times as old as I am. She was 60 when I was born. How old is she now? \n" ); document.write( "
Algebra.Com's Answer #553440 by Alan3354(69443)\"\" \"About 
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My grandma is three times as old as I am. She was 60 when I was born. How old is she now?
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\n" ); document.write( "The age difference will always be 60 years.
\n" ); document.write( "3x as old --> a difference of 2x your age.
\n" ); document.write( "2*age = 60
\n" ); document.write( "you're 30, she's 90
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\n" ); document.write( "Or,
\n" ); document.write( "G = Y + 60
\n" ); document.write( "G = 3Y
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\n" ); document.write( "3Y = Y + 60
\n" ); document.write( "2Y = 60
\n" ); document.write( "Y = 30
\n" ); document.write( "G = 90
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