document.write( "Question 1190483: A woman is older than her daughter by 25 years. Three years ago, the ratio of their ages was 3:1. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #822146 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Using two variables to solve the equation makes for a lot more work than using only one.... \n" ); document.write( "x = daughter's age now \n" ); document.write( "x+25 = woman's age now \n" ); document.write( "x-3 = daughter's age 3 years ago \n" ); document.write( "x+22 = woman's age 3 years ago \n" ); document.write( "3 years ago the woman was 3 times as old as her daughter: \n" ); document.write( "x+22=3(x-3) \n" ); document.write( "x+22=3x-9 \n" ); document.write( "31=2x \n" ); document.write( "x=15.5 \n" ); document.write( "The problem is not valid; in problems involving ages, the ages must be whole numbers. \n" ); document.write( " \n" ); document.write( " |