document.write( "Question 203513: Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? \n" ); document.write( "
Algebra.Com's Answer #153556 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! Let x=sister=8 yrs \n" ); document.write( "let 2x-4=Ricardo =12 yrs \n" ); document.write( "x+2x-4=20 \n" ); document.write( "3x=24 \n" ); document.write( "x=8 \n" ); document.write( " |