Section 6.3 Prealgebra
Read Section 6.3: Unit Conversion - The American System, Pages 467-472. (25 minutes)
College of the Redwoods - 2013
Click https://www.redwoods.edu/Portals/121/PreAlgText/Prealgebra.pdf?ver=2016-02-09-153714-077 link to open resource.