Section 2.3 Homework Hints
Problems 35-38; draw a rectangle for the universe, and then draw overlapping cirles for the given sets. Label the universe and each circle.
Problem 39; see Example 5, but in addition to labeling the sets, you must also calculate the percentages. For example 80% of 263 million is 0.80(263) = 210.4 million
Problem 40; Draw three interlocking circles, and let one be vote yea for Bill A, another be vote yea for Bill B, and the third be vote yea for Bill C. (See Figure 2.14)
Problem 41; Draw three interlocking cirles, as shown in Figure 2.14.