Simple Interest = S.I= pnr/100 Given, S.I = 23940 , p = 28500 , n = 7 thus, r = 100x23940/28500x7 = 12
Difference in amount = 514 - 415 = 99
99 = (415 x 4 x R)/100
R = 5.96%
Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.
Let rate = R% and time = R years.
Then,
=> R = 6.
I = (p x r x t)/100
I = $25.20
A = P+I
A = 235.20
r = (100 x I)/(P x T)
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