document.write( "Question 1018389: I'm thrice as old as you were, when I was as old as you are. Our current ages add up to 80. How old are you and me ? \n" ); document.write( "
Algebra.Com's Answer #634523 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = your age now
\n" ); document.write( "\"+80+-+x+\" = my age now
\n" ); document.write( "----------------------
\n" ); document.write( "The difference in our ages is:
\n" ); document.write( "\"+80+-+x+-+x+=+80+-+2x+\"
\n" ); document.write( "------------------------
\n" ); document.write( "Now I look at:
\n" ); document.write( "\" when I was as old as you are.\"
\n" ); document.write( "That means when my age was \"+x+\"
\n" ); document.write( "and you must have been:
\n" ); document.write( "\"+x+-+%28+80+-+2x+%29+\"
\n" ); document.write( "\"+x+-+80+%2B+2x+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "\" I'm thrice as old as you were \"
\n" ); document.write( "\"+80+-+x+=+3%2A%28+x+-+80+%2B+2x+%29+\"
\n" ); document.write( "\"+80+-+x+=+3%2A%28+3x+-+80+%29+\"
\n" ); document.write( "\"+80+-+x+=+9x+-+240+\"
\n" ); document.write( "\"+10x+=+320+\"
\n" ); document.write( "\"+x+=+32%0D%0Aand%0D%0A%7B%7B%7B+80+-+x+=+48+\"
\n" ); document.write( "--------------
\n" ); document.write( "At present:
\n" ); document.write( "You are 32
\n" ); document.write( "I am 48
\n" ); document.write( "-----------
\n" ); document.write( "check the answer:
\n" ); document.write( "\"when I was as old as you are\"
\n" ); document.write( "when I was 32
\n" ); document.write( "---------------
\n" ); document.write( "The difference in our ages is: \"+48+-+32+=+16+\"
\n" ); document.write( "So, you were \"+32+-+16+=+16+\"
\n" ); document.write( "---------------
\n" ); document.write( "I am 3 times that age. I am \"+48+\"
\n" ); document.write( "\"+48+=+3%2A16+\"
\n" ); document.write( "\"+48+=+48+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" );