Posted by **Abby** on Sunday, June 6, 2010 at 12:23pm.

A survey was made of 200 students to study their use of the public library system. The findings were as follows:

60 used the Readerâ€™s Guide.

28 used both the card catalog and the information booth.

68 used the information booth.

83 did not use the library.

43 used only the card catalog

Explain how the above information can be used to conclude that some students must use both the information booth and the Readerâ€™s Guide.

## Answer This Question

## Related Questions

- math - a survey was made of 200 students to study their use of the public ...
- algebra - A poll was taken of 100 students at a commuter campus to find out how ...
- algebra - A poll was taken of 100 students at a commuter campus to find out how ...
- Algebra with applications - A poll was taken of 100 students at a commuter ...
- math - A poll was taken of 100 students at a commuter campus to find out how ...
- math venn - A poll was taken of 100 students at a commuter campus to find out ...
- Math 104 - A poll was taken of 100 students at a commuter campus to find out how...
- Math - A poll was taken of 100 students at a commuter campus to find out how ...
- venn diagrams - A poll was taken of 100 students at a commuter campus to find ...
- English - Where do you search to find materials in a public library? A.Reader's ...

More Related Questions