document.write( "Question 1049693: 1.In a class of 30 students, 20 students like mathematics, 14 students like computer science, 6 students like neither. How many students like both mathematics and computer science? \n" ); document.write( "

Algebra.Com's Answer #665264 by ikleyn(52806) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "1. In a class of 30 students, 20 students like mathematics, 14 students like computer science, 6 students like neither.
\n" ); document.write( "How many students like both mathematics and computer science?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( "20 + 14 - x = 30-6,\r\n" );
document.write( "\r\n" );
document.write( "34 - x = 24,\r\n" );
document.write( "\r\n" );
document.write( "x = 34 - 24 = 10.\r\n" );
document.write( "\r\n" );
document.write( "Answer.  10 students like both mathematics and computer science.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "For details see the lesson\r
\n" ); document.write( "\n" ); document.write( " - Counting elements in sub-sets of a given finite set\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );