About: http://webisa.webdatacommons.org/73640273

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Examples, problems from real life, including problems on Ratio and Proportion and with algebraic and graphical solutions being done simultaneously.2.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com