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katen-ka-za [31]
3 years ago
5

In what time will 64000 amount to 68921 at a rate of 5 % per annum comp half yearly

Mathematics
2 answers:
andre [41]3 years ago
4 0

Answer:

Time = T half–years , Rate = 5 % per half year

2

love history [14]3 years ago
4 0

Step-by-step explanation:

we know the formula:

  1. A=P(1+r/n)^nt ,where A is the amount , P is the principle , r is the rate , n is the number of times the interest compounded per unit time

68921=64000(1+0.05/2)^2t

or,68921/64000=(41/40)^2t

or, (41/40)^3=(41/40)^2t

or 2t=3

or, t=3/2 years

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