document.write( "Question 1097335: Mary's age 3 times her brother's age. their ages add up to 33 what is Mary's age??? \n" ); document.write( "
Algebra.Com's Answer #711735 by addingup(3677) You can put this solution on YOUR website! Brother's age: x \n" ); document.write( "Mary = 3 times brother = 3x \n" ); document.write( "x+3x = 33 \n" ); document.write( "4x = 33 \n" ); document.write( "x = 33/4 = 8.25 \n" ); document.write( "And Mary = 3 times brother = 3(8.25) = 24.75 = 24 years and 9 months (1 year = 12 months and 0.75 year = 0.75*12 = 9 months) \n" ); document.write( " \n" ); document.write( " |