{"provider_url":"http://dwwlibrary.wested.org/","version":"1.0","thumbnail_width":560,"title":"Ratio, Rate, and Proportion Problems","type":"link","provider_name":"The Doing What Works Library","thumbnail_url":"http://cdnassets.mediacore.tv/sites/9953/images/media/2038988l-fV1BzKq0.jpg","thumbnail_height":315,"author_name":"W. James (Jim) Lewis, Univ of Nebraska-Lincoln"}