The cost of kerosine per liter increase from N60 to N85. What is the percentage rate of increase?
-
A.
42% -
B.
41% -
C.
40% -
D.
25%
Correct Answer: Option A
Explanation
N85 – N60 = N25 increase
∴percentage increase = (frac{25}{60}times frac{100}{1}\=frac{125}{3}\=41.67%\
=42%)