RDP 2015-10: The Life of Australian Banknotes Equation (5)

M e a n b a n k n o t e l i f e = M e a n s t o c k o f b a n k n o t e s o n i s s u e o v e r 12 m t h s T o t a l n o o f b a n k n o t e s d e s t r o y e d o v e r 12 m t h s = c d . MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaqbaeqabiqaaa qaaiaad2eacaWGLbGaamyyaiaad6gaaeaacaWGIbGaamyyaiaad6ga caWGRbGaamOBaiaad+gacaWG0bGaamyzaiaaykW7caWGSbGaamyAai aadAgacaWGLbaaaiabg2da9maalaaabaGaamytaiaadwgacaWGHbGa amOBaiaaykW7caWGZbGaamiDaiaad+gacaWGJbGaam4AaiaaykW7ca WGVbGaamOzaiaaykW7caWGIbGaamyyaiaad6gacaWGRbGaamOBaiaa d+gacaWG0bGaamyzaiaadohacaaMc8Uaam4Baiaad6gacaaMc8Uaam yAaiaadohacaWGZbGaamyDaiaadwgacaaMc8Uaam4BaiaadAhacaWG LbGaamOCaiaaykW7caaIXaGaaGOmaiaaykW7caWGTbGaamiDaiaadI gacaWGZbaabaGaamivaiaad+gacaWG0bGaamyyaiaadYgacaaMc8Ua amOBaiaad+gacaaMc8Uaam4BaiaadAgacaaMc8UaamOyaiaadggaca WGUbGaam4Aaiaad6gacaWGVbGaamiDaiaadwgacaWGZbGaaGPaVlaa dsgacaWGLbGaam4CaiaadshacaWGYbGaam4BaiaadMhacaWGLbGaam izaiaaykW7caWGVbGaamODaiaadwgacaWGYbGaaGPaVlaaigdacaaI YaGaaGPaVlaad2gacaWG0bGaamiAaiaadohaaaGaeyypa0ZaaSaaae aacaWGJbaabaGaamizaaaacaGGUaaaaa@A6F4@