1. A survey of 500 high school students was taken to determinetheir favorite chocolate candy. Of the 500 students surveyed, 64like Snickers, 125 like Twix, 141 like Reese's Peanut Butter Cups,30 like Snickers and Twix, 61 like Twix and Reese's Peanut ButterCups, 43 like Snickers and Reese's Peanut Butter Cups, and 18 likeall three kinds of chocolate candy. How many students like Twix andReese's Peanut Butter Cups only?
2. A survey of 391 children given at a local elementary schoolshowed that 200 like chocolate ice cream, 175 like pistachio icecream, and 141 do not like chocolate or pistachio ice cream. Howmany children like at most one kind of ice cream mentioned in thesurvey?
