Question

on a certain sum the simple interest at the end of 12whole 1/2 years is 3/4 of the sum. what is the rate percent per annum​

Answer 1

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Answer 2

Answer:

6% per annum

Step-by-step explanation:

$i = \: \frac{prt}{100}$

p x r x t /100 = 3/4 p

p gets cancelled

r = 300/4t

r = 300/4(12.5)

r = 300/50

r= 6%