Respuesta :

temdan2001

Answer: rate of interest (r) = 6.25

Step-by-step explanation:

Simple interest formula is S.I = PxTxR/100

From the question ;

S.I = (3/8) principal

3/8p = px6xr/100

Eliminate p on both sides of the equation

r = (3x100) / (8 x 6)

r = 300 / 48

r = 6.25

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