1.

Interest ( I ) = 4.5 times of the principalPrincipal ( p ) = ptime ( t ) = 13.5 years Rate ( r ) = ?

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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