document.write( "Question 1140064: Amy is one third the age of her mother.\r
\n" ); document.write( "\n" ); document.write( " In 12 years time, Amy will be half the age of her mother.\r
\n" ); document.write( "\n" ); document.write( "How old is Amy’s mother?
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Algebra.Com's Answer #760522 by ankor@dixie-net.com(22740)\"\" \"About 
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Amy is one third the age of her mother.
\n" ); document.write( "a = \"1%2F3\"m
\n" ); document.write( "or multiply equation by 3
\n" ); document.write( "m = 3a
\n" ); document.write( "In 12 years time, Amy will be half the age of her mother.
\n" ); document.write( "a + 12 = \"1%2F2\"(m+12)
\n" ); document.write( "a + 12 = \"1%2F2\"m + 6
\n" ); document.write( "a = \"1%2F2\"m + 6 - 12
\n" ); document.write( "a = \"1%2F2\"m - 6
\n" ); document.write( "get rid of the fraction, multiply by 2
\n" ); document.write( "2a = m - 12
\n" ); document.write( "replace m with 3a (from the 1st statement)
\n" ); document.write( "2a = 3a - 12
\n" ); document.write( "12 = 3a - 2a
\n" ); document.write( "a = 12 yrs is Amy's age
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\n" ); document.write( "How old is Amy’s mother?
\n" ); document.write( "3*12 = 36 yrs is Mom's age
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\n" ); document.write( "See if that checks out in the statement
\n" ); document.write( "\"In 12 years time, Amy will be half the age of her mother.\"
\n" ); document.write( "12 + 12 = \"1%2F2\"(36 + 12)
\n" ); document.write( "24 = \"1%2F2\"* 48
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