Question

gunpowder contains 75% nitre and 10% sulphur find the amount of gunpowder which carries 9 kg nitre .what amount of gun powder would contain2.5 kg sulphur​

Answer 1

Step-by-step explanation:

Here's your answer!!

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Let x kg be the gunpowder which contain 9kg nitre.

So,

A/q

(see the 1st image)

Hence,12 kg of gunpowder carry 9kg nitre.

Now,

Let y kg gunpowder contain 2.5 kg of Sulphur.

A/q

(see the 2nd image)

Hence,

25kg of gunpowder carries 2.5 kg Sulphur.

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Hope it helps you!! :)