document.write( "Question 847869: a father is 42 years old,his son is 10 years old and his daughter is 16 years old.\r
\n" );
document.write( "\n" );
document.write( "a) In how many years will the age of the father be the triple of that of his son?
\n" );
document.write( "b) In how many years will the age of the father be the sum of those of his children?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #510719 by hamsanash1981@gmail.com(151)![]() ![]() ![]() You can put this solution on YOUR website! a) let be the no of years taken to triple the age of his son. \n" ); document.write( "then father's age = 42+x , son's age = 10+x. \n" ); document.write( "42+x = 3(10+x) \n" ); document.write( "42 + x = 30 + 3x \n" ); document.write( "12 = 2x \n" ); document.write( "x = 6 \r \n" ); document.write( "\n" ); document.write( "b) Let x be the number of years. father's age = 42+x , son's age = 10+x, daughter's age = 16+x \n" ); document.write( "42+x = 10+x + 16+ x \n" ); document.write( "x=16 \n" ); document.write( " |