Question 50

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waecmaths question: 

The monthly salary of a man increased from N2,700 to N3,200. Find the percentage increase

Option A: 

10%

Option B: 

15%

Option C: 

15.6%

Option D: 

18.5%

waecmaths solution: 

$\begin{align}  & Change=N(3,200-2700)=N500 \\ & percentage\text{ }increment=\frac{500}{2700}\times 100percent=18.5percent \\\end{align}$

maths year: