document.write( "Question 1093630: two years ago, the age of david's father id thrice of her age. If david's father is x years old this year, what is the age of david, in term of x, after five years.\r
\n" );
document.write( "\n" );
document.write( "my answer..
\n" );
document.write( "davids farthers age is x
\n" );
document.write( "david age is x
\n" );
document.write( " -
\n" );
document.write( " 3
\n" );
document.write( " solutions = x
\n" );
document.write( " - + 2 + 5
\n" );
document.write( " 3
\n" );
document.write( "
\n" );
document.write( " = x 7
\n" );
document.write( " – + –
\n" );
document.write( " 3 3
\n" );
document.write( "
\n" );
document.write( "correct me if I'm wrong..\r
\n" );
document.write( "\n" );
document.write( "thanks teacher \n" );
document.write( "
Algebra.Com's Answer #708267 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! I think maybe the work you tried to show got reformatted; as I see it, it is impossible to follow.... \n" ); document.write( "After getting past the bad grammar in the statement of the problem, I think what we have is.... \n" ); document.write( "(1) x is the current age of David's father \n" ); document.write( "(2) then x-2 would be the father's age two years ago \n" ); document.write( "(3) since two years ago the father was three times as old as David, David's age two years ago was (x-2)/3 \n" ); document.write( "(4) five years from now is seven years later than 2 years ago, so David's age five years from now will be (x-2)/3 + 7 \n" ); document.write( " \n" ); document.write( "In response to your message about my response... \n" ); document.write( "The answer in the book is \n" ); document.write( " \n" ); document.write( "The book answer is the same as mine: \n" ); document.write( " |