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19 Jun 2022, 09:58
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B
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During an experiment in a lab, Nitrogen, Phosphorus, and Potassium are mixed in the ratio of 5 to 4 to 1, by weight, to make a prototype of a certain fertilizer. If in the lab, 18 kg Nitrogen, 14 kg Phosphorus, and 20 kg of Potassium are available, what is the maximum weight of fertilizer, in Kilogram, that can be made in the lab with the available resources?
A. 25 Kg
B. 35 Kg
C. 36 Kg
D. 42 Kg
E. 52 Kg
A. 25 Kg
B. 35 Kg
C. 36 Kg
D. 42 Kg
E. 52 Kg
21 Jun 2022, 07:17
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figjam786
If we try to use all the nitrogen, we'd need 3.6x the ratio, so 18kg : 14.4kg : 3.6kg. We are all set on the nitrogen and potassium, but we only have 14kg of phosphorus, so we can't make this much fertilizer. That means phosphorus is the limiter.
If we use all the phosphorus, we need 3.5x the ratio, so 17.5 : 14 : 3.5. Add those up and we have 35kg.
Answer choice B.
28 Jan 2024, 12:40
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Best way to solve this is by options.
