Jambmaths question:
A man invested N5000 for 9 months at 4%. What is the simple interest?
Option A:
N130
Option B:
N250
Option C:
N220
Option D:
N150
Jamb Maths Solution:
$\begin{align} & \text{Convert 9 months to years, will yeild }\frac{9}{12}=0.75years \\ & I=\frac{P\times T\times R}{100} \\ & P=5000,\text{ }T=0.75,\text{ }R=4percent \\ & I=\frac{5000\times 0.75\times 4}{100}=N150 \\\end{align}$
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