document.write( "Question 982918: A man is 30 years older than the wife and there childs age is average of the mother's age if the total age is 105 find the following
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document.write( "the age of the father
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document.write( "the age of the mother
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document.write( "the age of the child \n" );
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Algebra.Com's Answer #603719 by Timnewman(323)![]() ![]() You can put this solution on YOUR website! Hi, \n" ); document.write( "Let the mother's age be \"x\" \n" ); document.write( "Then, \n" ); document.write( "Father's age =x+30 \n" ); document.write( "Also, \n" ); document.write( "Child's age =x/2 \n" ); document.write( "But the sum of their age is 105 \n" ); document.write( "Then, \n" ); document.write( "x+x+30+(x/2)=105 \n" ); document.write( "2x+(x/2)=105-30 \n" ); document.write( "2x+(x/2)=75. \n" ); document.write( "multiply althrough by 2 \n" ); document.write( "4x+x=150 \n" ); document.write( "5x=150 \n" ); document.write( "x=150/5 \n" ); document.write( "x=30 \n" ); document.write( "The mother's age is 30yrs \n" ); document.write( "Father's age=x+30 \n" ); document.write( " =30+30 \n" ); document.write( " =60yrs \n" ); document.write( "Also,Child's age =x/2 \n" ); document.write( " =30/2 \n" ); document.write( " =15yrs \n" ); document.write( "The mother's age =30yrs \n" ); document.write( "Father's age=60yrs \n" ); document.write( "Child's age=15yrs. \n" ); document.write( "HOPE THIS HELPS,.... \n" ); document.write( " Best regards \n" ); document.write( " ---TIMNEWMAN. \n" ); document.write( " |