document.write( "Question 1058384: The sum of the ages of Barbara-Sue, Frank, and Mary is 300. And here are the ages: Mary is 8 years younger than Frank. Frank is 9 years older than Barbara-Sue. What is the age of Mary?
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Algebra.Com's Answer #673436 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! B+F+M=300 \n" ); document.write( "B+F+(F-8)=300 \n" ); document.write( "(F-9)+F+(F-8)=300 \n" ); document.write( "3F-17=300 \n" ); document.write( "3F=317 \n" ); document.write( "F=105 2/3 \n" ); document.write( "M=97 2/3 ANSWER \n" ); document.write( "B=96 2/3 \n" ); document.write( " \n" ); document.write( " |