Asurvey was given to 349 people asking whether people like dogs and/or cats. 197 said they like dogs 178 said they like cats 51 said they don't like cats or dogs. how many said they liked cats but not dogs?

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .