document.write( "Question 252898: In a group of 80 high school student, 30 study Spanish, 40 study French, and 25 study neither Spanish nor French. How many of 80 students study both Spanish and French?\r
\n" );
document.write( "\n" );
document.write( "(A) 18 (B) 15 (C) 20 (D) 16 (E) 13
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #185002 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! The first thing is to find out how many do take either language.\r \n" ); document.write( "\n" ); document.write( "Since 25 don't take either that means that 80-25 take at least one of them. \n" ); document.write( "55 take at least one of them \n" ); document.write( "30+40 study French and Spanish. \n" ); document.write( "70-55 take both French and Spanish \n" ); document.write( "and 15 take only Spanish and 25 take only French. \n" ); document.write( "I find it hard to believe that more take French than Spanish. \n" ); document.write( "That was true when I went to school back in the dark ages but there are so many more Hispanics now.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |