document.write( "Question 573687: harry is 6 times as old as his son charlie. in 6 years he will only be four times as old as his son. how old is charlie now? \n" ); document.write( "

Algebra.Com's Answer #368836 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+h+\"$ = Harry's age now
\n" ); document.write( "Let $\"+c+\"$ = Charlie's age now
\n" ); document.write( "given:
\n" ); document.write( "(1) $\"+h+=+6c+\"$
\n" ); document.write( "(2) $\"+h+%2B+6+=+4%2A%28+c+%2B+6+%29+\"$
\n" ); document.write( "--------------------
\n" ); document.write( "Substitute (1) into (2)
\n" ); document.write( "(2) $\"+6c+%2B+6+=+4c+%2B+24+\"$
\n" ); document.write( "(2) $\"+2c+=+24+-+6+\"$
\n" ); document.write( "(2) $\"+2c+=+18+\"$
\n" ); document.write( "(2) $\"+c+=+9+\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"+h+=+6c+\"$
\n" ); document.write( "(1) $\"+h+=+6%2A9+\"$
\n" ); document.write( "(1) $\"+h+=54+\"$
\n" ); document.write( "Harry is 54 and Charlie is 9
\n" ); document.write( "check:
\n" ); document.write( "(2) $\"+h+%2B+6+=+4%2A%28+c+%2B+6+%29+\"$
\n" ); document.write( "(2) $\"+54+%2B+6+=+4%2A%28+9+%2B+6+%29+\"$
\n" ); document.write( "(2) $\"+60+=+4%2A15+\"$
\n" ); document.write( "(2) $\"+60+=+60+\"$
\n" ); document.write( "OK \n" ); document.write( "

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