Question 1104757: A type of gunpowder is produced by using 15 parts by weight of nitre to 3 parts of charcoal and 2 parts of sulphur. Find number of lbs. of nitre used in making 1 ton of the powder.
My partial solution;
Let n = nitre
Let c = charcoal
Let s = sulphur
20 parts total.
1 ton = 2000 lbs.
Not sure how to proceed.
Answer by jorel1380(3719)   (Show Source):
You can put this solution on YOUR website! The ratio of elements by weight is 15:3:2. So, for every 20 lbs of gun powder, you have 15 lbs nitre, 3 lbs charcoal, and 2 lbs of sulfur. One ton of powder is 2000 lbs. So:
2000/20=100
This breaks down into:
15x100, or 1500 lbs nitre, 300 lbs charcoal, and 200 lbs sulfur per ton
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