document.write( "Question 919807: The sum of three sisters ages is 39.
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document.write( "Dina is half as old as michelle and three years younger than Juliet. What are theor ages? \n" );
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Algebra.Com's Answer #558036 by multiplier(8)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " let x- dina's age \n" ); document.write( " 2x- michelle's age; note that dina is half as old as michelle \n" ); document.write( " x+3- juliet' age; note that dina is 3 years younger than juliet \n" ); document.write( " we have defined their ages \n" ); document.write( " the sum of their ages is 39: \n" ); document.write( " x+2x+x+3=39 \n" ); document.write( " simplify then solve for x \n" ); document.write( " x=9-age of dina \n" ); document.write( " 2x=18-age of michelle \n" ); document.write( " x+3=12-age of juliet \n" ); document.write( " checking: 9+18+12=39 \n" ); document.write( " |