PBL Pathways

Content Area

Finite Math

Time Frame

2 to 3 weeks with mini-lectures

Published

October 6, 2010

Keywords

Linear programming

Project Title

Arsenic and Selenium Removal From Drinking Water at a Minimal Cost

Author

David Graser, Yavapai College, Prescott, AZ (David_Graser@yc.edu)

Abstract

This project builds upon the Arsenic Project. In this project, students create a linear programming problem to describe how water from three wells can be combined to meet demand and meet arsenic and selenium standards. The differences from the Arsenic Project are not always picked up by students and can lead to some very interesting discussions.

Project Content

Project Letter - DOC | PDF

Scaffolding Resources

Link - What is Parts per Million or Parts per Billion? PDF

Notes

Demanding that at least a certain amount of water is produced impacts more than just one constraint. This is the biggest hurdle students need to overcome.

 

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