document.write( "Question 475701: the sum of angle's age and her mother's age is 56. two years ago, her mother was three times as old as her. how old is her mother? \n" ); document.write( "

Algebra.Com's Answer #326201 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"a\"$ = Angel's age now
\n" ); document.write( "Let $\"m\"$ = Mother's age now
\n" ); document.write( "given:
\n" ); document.write( "(1) $\"+a+%2B+m+=+56+\"$
\n" ); document.write( "(2) $\"+m+-+2+=+3%2A%28a+-+2%29+\"$
\n" ); document.write( "-------------------------
\n" ); document.write( "(2) $\"+m+-+2+=+3a+-+6+\"$
\n" ); document.write( "(2) $\"+3a+-+m+=+4+\"$
\n" ); document.write( "Add (1) and (2)
\n" ); document.write( "(1) $\"+a+%2B+m+=+56+\"$
\n" ); document.write( "(2) $\"+3a+-+m+=+4+\"$
\n" ); document.write( " $\"+4a+=+60+\"$
\n" ); document.write( " $\"+a+=+15+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+a+%2B+m+=+56+\"$
\n" ); document.write( "(1) $\"15+%2B+m+=+56+\"$
\n" ); document.write( "(1) $\"+m+=+56+-+15+\"$
\n" ); document.write( "(1) $\"+m+=+41+\"$
\n" ); document.write( "Her Mother is 41 now
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+m+-+2+=+3%2A%28a+-+2%29+\"$
\n" ); document.write( "(2) $\"+41+-+2+=+3%2A%2815+-+2%29+\"$
\n" ); document.write( "(2) $\"+39+=+3%2A13+\"$
\n" ); document.write( "(2) $\"+39+=+39+\"$
\n" ); document.write( "OK
\n" ); document.write( " \n" ); document.write( "

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