Problem-Solving with Venn Diagrams Part 1
- Author:
- Maureen Nicholson, Walch Education
Marquis conducted a survey asking people which of the following devices they own: a smartphone, a tablet, or a laptop. The Venn diagram that follows shows his results. Based on the diagram, determine each of the following:
- the number of people Marquis surveyed
- the number of people who own all three devices
- the number of people who own just a smartphone and a laptop
- the number of people who own only a tablet, only a laptop, or both a tablet and a laptop
- the number of people who do not own a tablet
- Determine the number of people Marquis surveyed.
- Determine the number of people who own all three devices.
- Determine the number of people who own just a smartphone and a laptop.
- Determine the number of people who own only a tablet, only a laptop, or both a tablet and a laptop.
- Determine the number of people who do not own a tablet.