In the far away town of Catherby all the locals do day and night is fish. Always by the shore, always holding their rods. 在一个遥远的Catherby镇里，所有的当地人日日夜夜做的就是钓鱼。沿岸总是不断的 有人拿着钓竿钓鱼。 One day a young man named Edwin decides he doesn't want to simply wait for the fish to come to him, instead he wants to go to the fish and catch them on the open waters with a net. 有一天一个叫做艾德温的年轻人决定不想要仅仅等鱼上钩，相反地他想要出海用鱼网 来捕鱼。 He visits the local manor to request a license to use a boat from his Lord, only to be told there is a charge of 4,400 ￠τ a month for the license, but he must purchase his own boat, and net separately after getting his license from the local Fishery. 他拜访村里的村长，请求许可让他可以使用鱼船，村长只是告诉他一个月的许可证是 4,400￠t，但是必须在取得许可证後才可在当地的鱼市场里购买他自己的鱼船及渔网。 The Boat and Net together cost a total of 1,700 ￠τ. Oh how would be long for the chance to go out on the open sea, but alas he has only as of yet managed to save 800 ￠τ. 鱼船和渔网一共要花费1,700￠t。噢，需要多久才能有出海捕鱼的机会呢，他当时身 上仅有想方设法所存下的800￠。 In order to earn the remainder he needs to find himself a paying job .. And finds one working at the Fishery where he later needs to buy the equipment he needs. They offer him a discount of 5% on any equipment, plus basic wage of 250 ￠τ a week, and a bonus of 5 ￠τ for every fish he sells, which will be paid weekly. 为了获得足够的差额他需要一个有报酬的工作。最後他在渔业市场（一个在他以後可 以买他所需要的设备）里找到一个工作。他们给他提供每周250￠t的薪水及购买任何 设备有5%的折扣，且每卖出一条鱼有奖金5￠t。 Question: Assuming Edwin manages to sell 20 fish a week, how long will it take him to earn the rest of the funds he needs? 问题︰假定艾德温设法每周卖出20条鱼，他赚到所需要的其余资金要花费多久？ 以上是我透过眼睛医生的帮忙所翻译出来的题目，不知道有没有任何地方翻译错误？ 依照这个物价来看的话，卖的鱼至少不会是吴郭鱼之类的小鱼，应该是鲷鱼或其他比较 大尾的吧，会不会是鲔鱼呢XD --- 透过EXCEL的帮忙，算出来是在第15周结束前可以达成买到许可证及船和渔网所需要 的钱，还有请各位板友帮忙看看答案是否有问题？ --

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