Asked by limton
a sum of money borrowed at a particular rate of interest amounts to Rs 8320 in 2 years and Rs 9685 in 7/2 years. Find the sum borrowed.
Answers
Answered by
Reiny
amount borrowed ---- x
rate of interest ---- i
x(1+i)^2 = 8320
x(1+i)^3.5 = 9685
divide the second equation by the first:
(1+i)^1.5 = 1.1640625
(1+i)^(3/2) = 1.1640625
1+i = 1.1640625^(2/3) = 1.10658
i = .10658
plug your value into the first equation, let me know what you get.
rate of interest ---- i
x(1+i)^2 = 8320
x(1+i)^3.5 = 9685
divide the second equation by the first:
(1+i)^1.5 = 1.1640625
(1+i)^(3/2) = 1.1640625
1+i = 1.1640625^(2/3) = 1.10658
i = .10658
plug your value into the first equation, let me know what you get.
Answered by
Anonymous
A sum of money borrowed at a particular rate of interest amount to Rs 8320 in 2 years and Rs 9685 7/2 years. Find the sum borrowed
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