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)![]() ![]() You can put this solution on YOUR website! The total of the ages of 3 people is 80 years. \n" ); document.write( " what was the total of their ages 3 years ago? \n" ); document.write( ": \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 \n" ); document.write( " |