document.write( "Question 141972: there are 20 people in a room. 8 of them are wearing socks and 13 of them are wearing shoes. 4 people are wearing both.how many are barefooted? \n" ); document.write( "
Algebra.Com's Answer #103394 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! there are 20 people in a room. 8 of them are wearing socks and 13 of them are wearing shoes. 4 people are wearing both.how many are barefooted? \n" ); document.write( "--------------------------- \n" ); document.write( "Draw a Venn diagram with two overlapping circles. \n" ); document.write( "Call one circle Socks and the other Shoes. \n" ); document.write( "Put a 4 in the overlap \n" ); document.write( "Put a 4 in the Socks that is not in the overlap \n" ); document.write( "Put a 9 in the Shoes that is not in the overlap \n" ); document.write( "------------------ \n" ); document.write( "The circles now contain 4+4+9 = 17. \n" ); document.write( "So, there are 3 who are barefooted. \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |