Problems 46-51
These are survey problems with three sets, like Example 5. Draw three overlapping circles
and label each circle.
Step 1: fill in the number of elements in the innermost set.
Step 2: fill in numbers in the other overlappling sections.
Step 3: fill in the other
regions.
Step 4: Fill in the number outside the three circles and answer the questions
asked in the problem.
Back to other homework hints.