Interest ( I ) = 4.5 times of the principal
Principal ( p ) = p
time ( t ) = 13.5 years
Rate ( r ) = ?
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Answer:
33.33%
Step-by-step explanation:
let, the principal= p and interest = 4.5p
interest = p*r*t/100
4.5p=p*r*13.5/100
4.5=r*13.5/100
4.5*100/13.5=r
r = 45/135*100
r = 100/3 = 33.33%
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