英语翻译Let’s see the cost you need to pay.One key costs £3,and the cost of using the bike is £1 for an hour.The cost per hour increases as the hours increase,so it will cost £50 if you rent the bike for 24 hours.我怎么算不出用24

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英语翻译
Let’s see the cost you need to pay.One key costs £3,and the cost of using the bike is £1 for an hour.The cost per hour increases as the hours increase,so it will cost £50 if you rent the bike for 24 hours.我怎么算不出用24小时是£50呢?钥匙3+1/hour*24=27?怎么就用了50呢?

让我看看你需要支付 的费用.一把钥匙三英镑,用自行车的费用是一个小时一英镑.随着时间的延长,费用按小时增加.这样如果你租二十四小时,自行车租金是五十英镑.费用计算如下;
hour 1 2 3 4 5 6 7 ...23 24
cost 1 2 5 7 9 11 13...45 47
key 3
Total:47 + 3 =50

hour 1 2 3 4 5 6 7 ... 23 24
cost 1 2 5 7 9 11 13...45 47
key 3
Total: 47 + 3 =50