Answers

2015-03-16T08:23:21+05:30
Percentage of Charcoal = 100-85=15% Charcoal contains in 8 kg= 8/100×15=1.2Kg
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2015-03-16T10:05:31+05:30
Charcoal percentage= 15 % 
                              =15/100 * 8
        charcoals kg is=1.2kg
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