document.write( "Question 945: A daughter is 28 years younger than her father. in five years, the father will be 3 times as old as his daughter. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #302 by usyim88hk(158)![]() ![]() ![]() You can put this solution on YOUR website! 1)let the age of the daughter be x \n" ); document.write( "2)x + 28 is the age of her dad \n" ); document.write( "3)so x+5 will be the age of the daughter after 5 years \n" ); document.write( "4)and 3(x+5) will be the age of the dad after three years which is also equal to 3x+15 \n" ); document.write( "5)x+33 is also the age of her dad after five years \n" ); document.write( "6)so x+33 = 3x+15 (both the age of her father after 5 years) \n" ); document.write( "7)x+33-15=3x+15-15 \n" ); document.write( "8)x+18=3x \n" ); document.write( "9)x+18-x=3x-x \n" ); document.write( "10)18=2x \n" ); document.write( "11)x=9(So the age of the girl now is 9 years old) \n" ); document.write( "12)the age of her father is x+28 so he is 37 years old now \n" ); document.write( "------------------------------------------------------------------------------ \n" ); document.write( "Answer: age of the daughter is 9 and age of the dad is 37 \n" ); document.write( " |