问题标题：
【数学还款利息问题(急)Aloanisrepaidwithequalpaymentsof$200attheendofeachweekfor15years.Ifinterestis10.4%p.a.compoundedweeklyandassumingthatthereare52weeksinayear,calculate:(a)thetotalamountrepaid,(b)thepres】
问题描述：
数学还款利息问题(急)
Aloanisrepaidwithequalpaymentsof$200attheendofeachweekfor15years.Ifinterestis
10.4%p.a.compoundedweeklyandassumingthatthereare52weeksinayear,calculate:
(a)thetotalamountrepaid,
(b)thepresentvalueoftheloan(correctto2decimalplaces),
(c)thetotalamountofinterestpaid(correctto2decimalplaces).
应该怎算?
郭立文回答：
(a)200*52*15=156,000
(b)pv=78,953.63
(c)156000-78953.63=77,046.37
潘荫荣回答：
总还款额不是每星期要还的200再加上利息吗？这里不太明白
郭立文回答：
it'sequalpaid
潘荫荣回答：
(b)是用什么公式?
郭立文回答：
pv=pv(rate,nper,pmt)
excel
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