The ratio of nitrogen to potassium in a sample to soil is 12:9. If the sample has 36 units of nitrogen, how much potassium does the sample have?

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05-02-2016
Mathematics

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The ratio of nitrogen to potassium in a sample to soil is 12:9. If the sample has 36 units of nitrogen, how much potassium does the sample have?

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taskmasters taskmasters · Answer 1 · 2016-02-05T14:52:02+01:00

taskmasters taskmasters

05-02-2016

The ratio of nitrogen to potassium is said to be : 12 : 9
Now, the given sample for the units of nitrogen is 36.
Let's find out how much will be the value of potassium
.=> 12 : 9 = 36 : x , where x will be the value of the potassium.First, let's multiply the inner value of the proportion
=> 9 * 36 = 324
=> 324 / 12 = 27
Now, the ratio: 12 : 9 = 36 : 27

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