# Gunpowder contains 75% of nitre and 10% of sulphur,and the rest of its charcoal.find the amount of charcoal in 8 kg of gun powder.

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Percentage of Charcoal = 100-85=15%
Charcoal contains in 8 kg= 8/100×15=1.2Kg

Charcoal percentage= 15 %

=15/100 * 8

charcoals kg is=1.2kg

=15/100 * 8

charcoals kg is=1.2kg