If a crop requires 1.5kg phosphorus per hectare, how many...
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.
2.47kg
4.69kg
7.35kg
12.3kg
Correct answer is B
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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