Gunpowder contains 75%of nitre and 10%of sulphur and the rest of it is charcoal. Find the amount of charcoal in 8kg of gunpowder
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Percentage of charcoal = 100% - (75% + 10%) = 15%
Amount of charcoal in 8kg gunpowder = 15% of 8kg
= (15/100) × 8kg
= 1.2kg
Amount of charcoal in 8kg gunpowder = 15% of 8kg
= (15/100) × 8kg
= 1.2kg
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