document.write( "Question 22398: Mary is \"y\" years old. Her father is 4 times older than Mary. Her mother is 7 years younger than her father. If the three ages add up to 101 years, find the value of \"y\". Find the ages of Mary's parents.\r
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Algebra.Com's Answer #10866 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! Mary = y \n" ); document.write( "Her father = 4y \n" ); document.write( "Her mother = 4y-7 \n" ); document.write( "y+4y+4y-7=101 \n" ); document.write( "9y-7=101 \n" ); document.write( "9y=108 \n" ); document.write( "y=12 \n" ); document.write( "So Mary's age is 12, her father would be 4(12)=48, \n" ); document.write( "Her maother would be 4(12)-7=48-7=41 \n" ); document.write( "Hope you understand \n" ); document.write( "=) \n" ); document.write( " |