document.write( "Question 293315: A car dealership interviewed every driver who came onto their lot on Tuesday. This produced the following results: there were 31 people who owned trucks and 62 people who owned cars. If 22 people owned both a truck and a car and 9 people owned neither, how many people were interviewed? \n" ); document.write( "
Algebra.Com's Answer #211761 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! This is a case for a Venn diagram. \n" ); document.write( "31-22=9 \n" ); document.write( "62-22=40 \n" ); document.write( "9+22+40+9=80 people interviewed. \n" ); document.write( " \n" ); document.write( " |