# Answer on Other Math Question for amit kumar

Question #32658

Gunpowder contains 75 % nitre and 10 % sulphur .find the amount of gunpowder which carries 9 kg nitre.what amount of gunpowder would contain 2.5 kg sulphur?

Expert's answer

Let x kg be the amount of gunpowder which carries 9 kg nitre. Because gunpowder contains 75% nitre we can say:

x * 0.75 = 9

x = 9 / 0.75

x = 12.

Hence 12 kg gunpowder carries 9 kg nitre.

Let y kg be the amount of gunpowder which contains 2.5 kg sulfur. As gunpowder contains 10% sulfur we obtain:

y * 0.1 = 2.5

y = 25.

x * 0.75 = 9

x = 9 / 0.75

x = 12.

Hence 12 kg gunpowder carries 9 kg nitre.

Let y kg be the amount of gunpowder which contains 2.5 kg sulfur. As gunpowder contains 10% sulfur we obtain:

y * 0.1 = 2.5

y = 25.

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