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dangina [55]
3 years ago
12

If the simple interest rate is 5%p.a. , how long does it take for the amount to become twice the principal

Mathematics
1 answer:
solong [7]3 years ago
3 0
A = P + I
2a = a + PTR/100
2a = a + 5aT/100
2a = a(1+T/20)
2=1+T/20
T=20 yrs

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