Homework Hints
Problems 52-55
Draw three interlocking sets (See Example 5).
Step 1: fill in the number of elements
in the intersection of all three sets.
Step 2: fill in the number of elements
in the three parts showing the intersection of two sets.
Step 3: fill in the number
of elements in each of the three sets not including any intersections.
Note: Homework Hints are given only for the levels 1 and 2 problems. If you need hints for the level 3 problems, look in Appendix H. You can also check some sources for homework help on the internet (see LINKS), or you can call the author at (707) 829-0606.