Example 4 Rahul bought 4 kg 90 g of apples, 2 kg 60 g of grapes and 5 kg 300 g of mangoes. Find the total weight of all the fruits he bought.Weight of apple = 4 kg 90 g Weight of grapes = 2 kg 60 g Weight of apple = 5 kg 300 g Total weight = 4 kg 90 g + 2 kg 60 g + 5 kg 300 g = (4 kg + 90 g) + (2 kg + 60 g) + (5 kg + 300 g) = (4 kg + 2 kg + 5 kg) + (90 g + 60 g + 300 g) = 11 kg + 450 g = 11 kg 450 g Converting to decimals = 11 kg 450 g = 11 kg + 450 × 1 g = 11 kg + 450 × 1/1000 kg = 11 kg + 450/1000 kg = (𝟏𝟏+𝟒𝟓𝟎/𝟏𝟎𝟎𝟎) kg = ((11 × 1000 + 450)/1000) kg = (11000 + 450)/1000 kg = 11450/1000 kg = 11.450 kg ∴ Total weight = 11.450 kg

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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