document.write( "Question 108863: RICARDO IS 4 YEARS LESS THAN TWICE AS OLD AS HIS SISTER.
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document.write( "THE SUM OF THEIR AGES IS 20.\r
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document.write( "HOW OLD IS RICARDO? \n" );
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Algebra.Com's Answer #79415 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! RICARDO IS 4 YEARS LESS THAN TWICE AS OLD AS HIS SISTER. \n" ); document.write( "THE SUM OF THEIR AGES IS 20. \n" ); document.write( "r=ricardo's age \n" ); document.write( "x=sisters age \n" ); document.write( "r=2x-4 \n" ); document.write( "=================== \n" ); document.write( "x+2x-4=20 \n" ); document.write( "3x=24 \n" ); document.write( "x=8 \n" ); document.write( "so his sister is 8 \n" ); document.write( "Ricardo = 2(8)-4=12 \n" ); document.write( ":) \n" ); document.write( " |