At a certain conference, 150 students spoke one or more of the following languages: Spanish, English, and French. If 63 students spoke Spanish, 90 spoke English, 65 spoke French, and 32 spoke only 2 languages, how many students spoke three different languages? Options
A) 7	B) 9	C) 12	D) 15	E) 18
150=63+90+65-32-2x   x=18   E. 18
<result>E</result>
At a certain conference, 150 students spoke one or more of the following languages: Spanish, English, and French. If 63 students spoke Spanish, 90 spoke English, 65 spoke French, and 32 spoke only 2 languages, how many students spoke three different languages?