# Question 5257c

Nov 9, 2016

$S I = \frac{P R T}{100}$
In simple interest, the interest is calculated ONLY on the original amount invested. The interest is $5,400# $S I = \frac{20000 \times 4.5 \times \textcolor{b l u e}{T}}{100} = 5400$$T = \frac{5400 \times 100}{20000 \times 4.5}$$T = 6 \text{ }\$years