Gunpowder contains 75% nitre and 10% sulphur. Find the amount of the gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulphur?
Amount of nitre in gunpowder = 9 kg
Percentage of nitre in gunpowder = 75%
Let amount of gunpowder = x kg
So,
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Amount of sulphur in gunpowder = 2.3 kg
Percentage of sulphur in gunpowder = 10%
Let amount of gunpoder = x kg
So,
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