Answers

2016-01-17T19:40:16+08:00
1 Kilogram = 1,000 Grams
1,000 x 3 1/2 = 3,500 Grams
1,000 + 3,500 = 4,500 Grams
4,500 Grams = 4.5 Kilograms

4.5 Kilograms is the answer
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