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Answer» Step-by-step explanation: Formula S.I = principal * rate of interest *year/100 total amount = principal + S.I total amount - S.I = P S.I =Total amount - P P * R *T/100 = total amount - P Given rate of interest = 12% total amount = 13440 no. of years = 5 solution - LET P be x S.I =Total amount - P P * R *T/100 = total amount - P x * 12 * 5 /100 = 13440 - x 3x /5 = 13440 - x 3x/5 +x = 13440 8x /5 = 13440 8x = 13440*5 x = 13440 * 5/ 8 x = 8400 |
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