Question

3)Ben deposits $ 30000 in a bank at 7% per annum compound interest for a certain time is $
4347. The time is​

Answer 1

Step-by-step explanation:

Amount = Rs. (30000 + 4347) = Rs. 34347.

Let the time be n years.

Then, 30000 1 + 7 n = 34347

100 n 2

(107 ) = 34347 = 11449= (107)

(100) 30000 10000 (100)

n = 2 years

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