Comparing Chapter 8 - NCERT
that to compare two quantities, the units must be the same. A ratio has no units. EXAMPLE 1 Find the ratio of 3 km to 300 m. SOLUTION First convert both the distances to the same unit. So, 3 km = 3 × 1000 m = 3000 m. Thus, the required ratio, 3 km : 300 m is 3000 : 300 = 10 : 1. 8.2 EQUIVALENT RATIOS
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