GMAT Quantitative: Ratios and Proportions
A ratio is both a comparison and division, and can simply be treated as such. “The ratio of boys to girls is seven to two” can be expressed as the proportion: B/G = 7/2. Do with this what you like: 7G = 2B or B = 7G/2, whatever. Forget the “:” with ratios. GMAT writers […]
