document.write( "Question 762997: The total of the ages of 3 people is 80 years. what was the total of their ages 3 years ago? \n" ); document.write( "
Algebra.Com's Answer #464678 by ankor@dixie-net.com(22740)\"\" \"About 
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The total of the ages of 3 people is 80 years.
\n" ); document.write( " what was the total of their ages 3 years ago?
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\n" ); document.write( "a + b + c = 80
\n" ); document.write( "(a-3) + (b-3) + (c-3)
\n" ); document.write( "a+b+c - 9 = ?
\n" ); document.write( "replace a+b+c with 80
\n" ); document.write( "80 - 9 = 71 is the total 3 yrs ago
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