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If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required ...

If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare is 1kg manure contains 0.32kg of phosphorus
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  • A 2.47kg
  • B 4.69kg
  • C 7.35kg
  • D 12.3kg
Correct Answer: Option B
Explanation:
If 1kg manure = 0.32kg of phosphorus

xkg manure = 1.5kg of phosphorus
(Cross multiply)

x = 1.5/0.32 = 4.69kg of manure

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