英语翻译
Keith can key in 10 characters every 5 seconds using his mobile phone.
(i) Find Keith’s rate of keying in characters per minute.
(ii) Find the time taken in seconds for Keith to key in a message consisting
of 60 characters.
以及Leave your answer in positive indices.
人气:124 ℃ 时间:2020-03-26 21:47:18
解答
Keith在她的手机中每5秒钟能输入10个字符,
(i)计算Keith每分钟能键入多少个字符
(ii)计算Keith输入一个60个字符的信息需要用多长时间
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