The cost of kerosene per liter increased from N60 to N85....
The cost of kerosene per liter increased from N60 to N85. What is the percentage rate of increase?
42%
41%
40%
25%
Correct answer is A
N85 - N60 = N25 increase
∴percentage increase = 2560×1001=1253=41.67=42
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