A. 2.47kg?
B. 4.69kg
C. 7.35kg
D. 12.3kg
Correct Answer: Option B
B. 4.69kg
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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