3. Amaterial has a mass of 95 g and 68 g before and after abrasion, respectively. If the abrasive
ratio of 1.85, find the area of abrasion
Area of abrasion= ("\\frac{185}{100}""\\times" 95)-("\\frac{185}{100}""\\times" 68)
Area of abrasion= 175.75- 125.80
Area of abrasion= 49.95
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