document.write( "Question 924465: Write these rules as a formula. Use the first letter of each variable (printed in bold type).
\n" ); document.write( "Mum´s age is always joey`s plus 39. \n" ); document.write( "

Algebra.Com's Answer #560859 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "Mum´s age $\"M\"$ is always \r
\n" ); document.write( "\n" ); document.write( "joey`s $\"J\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"M\"$ is always $\"J\"$ plus $\"39\"$ \r
\n" ); document.write( "\n" ); document.write( "so, we have $\"M=J%2B39\"$ \n" ); document.write( "

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