document.write( "Question 1174828: a trader buy some eggs at #15 she find that five of them are broken she sells the rest of #20 each and make a profit of #340 how many eggs did she buy \n" ); document.write( "

Algebra.Com's Answer #800298 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "A trader buys some eggs at #15 she find that five of them are broke.
\n" ); document.write( "She sells the rest of #20 each and make a profit of #340 how many eggs did she buy ?
\n" ); document.write( "~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "Let x be the number of eggs she bought.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The buying cost was  15x  monetary units.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "She sold (x-5) eggs for the selling cost of  20*(x-5) monetary units.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Her profit was  340 monetary units.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "It gives you this MONEY equation\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    Selling cost - Buying cost = profit,   \r\n" );
document.write( "\r\n" );
document.write( "or\r\n" );
document.write( "\r\n" );
document.write( "    20*(x-5)     -     15x     = 340.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify and solve\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    20x - 100 - 15x = 340\r\n" );
document.write( "\r\n" );
document.write( "    20x - 15x       = 340 + 100\r\n" );
document.write( "\r\n" );
document.write( "       5x           = 440\r\n" );
document.write( "\r\n" );
document.write( "        x           = 440/5 = 88.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  She bought 88 eggs.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "CHECK.   Bying cost = 15*88.  Selling cost = 20*83.  The profit = Selling - Bying = 20*83 - 15*88 = 340.  ! Correct !\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );