document.write( "Question 1076591: There are 30 people in a room. Among them 11 speak French, 24 speak English and 3 speak neither French nor English. How many people in the room speak both French and English? \n" ); document.write( "
Algebra.Com's Answer #691217 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! P(F or E)=P(F)+P(E)-P(Both) \n" ); document.write( "We know that 3 don't speak either so 27 speak one or the other or both \n" ); document.write( "27=11+24-P(Both); P (both, the double counting of them), is therefore 8. \n" ); document.write( " |