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Interest ( I ) = 4.5 times of the principalPrincipal ( p ) = ptime ( t ) = 13.5 years Rate ( r ) = ? |
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Answer» <P>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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