document.write( "Question 59721This question is from textbook
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document.write( ": Ricardo is 4 years less than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? \n" );
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Algebra.Com's Answer #40982 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Ricardo is 4 years than twice as old as his sister. The sum of their ages is 20. How old is Ricardo? \n" ); document.write( "--------------- \n" ); document.write( "Let his sister's age be \"x\". \n" ); document.write( "Ricardo's age is\"2x-4\" \n" ); document.write( "EQUATION: \n" ); document.write( "x+2x-4=20 \n" ); document.write( "3x=24 \n" ); document.write( "x=8 (sister's age) \n" ); document.write( "2x-4=12 (Ricardo's age) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |