Slide 1 1 Ratio, Proportion, & Variation Chapter 18 Slide 2 2 Sect 18.1 : Ratio and Proportion A ratio conveys the notion of “relative magnitude”. Ratios are used…
by Daniel R. Riedel, German Federal Agency for Technical Relief (THW) Global, European and German Disaster Management Structures Coordination saves lifes! 27 November 2012…