find the compound intrest on 128000 for 9 months 10%per annum compound querterly
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Step-by-step explanation:
P = 128000 N = 9÷12= .75 R = 10%
( QUARTERLY = 4 )
N = .75 * 4 = 3 R = 10÷4 = 2.5%
CI = P [ ( 1 + R )^ N - 1 ]
= 128000 [ ( 1 + 2.5 / 100 )^3 - 1 ]
= 128000 [ ( 1.025 )^3 - 1 ]
= 128000 [ 1.07689 - 1 ]
= 128000 [ .07689 ]
CI = RS. 9842
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