document.write( "Question 772139: A man made 20% by the cost of selling pocketbook at 7.50. How many pocketbook did he sell? \n" ); document.write( "
Algebra.Com's Answer #470689 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "That's not enough information. \r\n" ); document.write( "\r\n" ); document.write( "All we can find from the information given here\r\n" ); document.write( "is the cost of each pocketbook.\r\n" ); document.write( "\r\n" ); document.write( "Let x = the cost of 1 pocketbook\r\n" ); document.write( "\r\n" ); document.write( "Then his profit is 20% of x, or 0.2x\r\n" ); document.write( "\r\n" ); document.write( "So COST + PROFIT = SELLING PRICE\r\n" ); document.write( "\r\n" ); document.write( " x + 0.2x = 7.50\r\n" ); document.write( " 1.2x = 7.50\r\n" ); document.write( " x = \n" ); document.write( " \n" ); document.write( " |