document.write( "Question 510962: The father is 35 the son is 9. How many years will it take the son to be 3 times his fathers age. I have two different answers that I do not know if they are correct. I have tried 35-9= 26X3 = 78. I have also tried 35x3= 105/9 =11.667. \n" ); document.write( "
Algebra.Com's Answer #341952 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! 35+x = 3(9+x) \n" ); document.write( "35+x = 27 + 3x \n" ); document.write( "-2x = -8 \n" ); document.write( ". \n" ); document.write( "x = 4 \n" ); document.write( ". \n" ); document.write( "In 4 years, the father will be 39 and the son will be 13. 39 = 3*13. \n" ); document.write( ". \n" ); document.write( "It is impossible for a son to be 3 times the father's age ever, so I solved it the other way. \n" ); document.write( "The father will be 3 times the son's age in 4 years. \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " |