document.write( "Question 1161330: A certain number when raised by 130% gives 754. What is the number?\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Answer key shows
\n" );
document.write( "x(130%) = 754
\n" );
document.write( "x = 580 \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Others answered it as
\n" );
document.write( "x + 130x/100 = 754
\n" );
document.write( "2.3x = 754
\n" );
document.write( "x = 327.83\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "Explain why the other answer is incorrect \n" );
document.write( "
Algebra.Com's Answer #784841 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The second (and very wrong) solution in plain language is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One hundred percent of a number plus one hundred and thirty percent of the number is seven hundred and fifty-four. So that is an increase of two hundred and thirty percent.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The second method would have worked if:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( " |