document.write( "Question 888291: the present age of abu's mother is three times the present age of him.after five years their ages will add to 66 years.find their present ages. \n" ); document.write( "

Algebra.Com's Answer #537241 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+a+\"$ = Abu's age now
\n" ); document.write( "Let $\"+m+\"$ = his mother's age now
\n" ); document.write( "-------------------------------
\n" ); document.write( "(1) $\"+m+=+3a+\"$
\n" ); document.write( "(2) $\"+a+%2B+5+%2B+m+%2B+5+=+66+\"$
\n" ); document.write( "--------------------------
\n" ); document.write( "(2) $\"+a+%2B+m+=+56+\"$
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+a+%2B+3a+=+56+\"$
\n" ); document.write( "(2) $\"+4a+=+56+\"$
\n" ); document.write( "(2) $\"+a+=+14+\"$
\n" ); document.write( "and, since
\n" ); document.write( "(1) $\"+m+=+3a+\"$
\n" ); document.write( "(1) $\"+m+=+3%2A14+\"$
\n" ); document.write( "(1) $\"+m+=+42+\"$
\n" ); document.write( "Abu is 14
\n" ); document.write( "His mother is 42\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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