30% of 1 kg added to 10% of 2 kg expressed in kg is
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Express his marks as a percentage. 18 marks out ... He save (100 - 70) is 30% of his income. ... What percentage is 300 g of 2 kg?
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0.5 kg
Step-by-step explanation:
30% of 1 kg is 0.3 kg
10% of 2 kg is 0.2 kg
Thus adding them together we get 0.5 kg
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