来自潘启敬的问题
Fred'sfinalmarkinanonlinecoursewasdeterminedentirelybytwoexams.Themid-termexamwasoutofxmarksandwasworth25%fohisfinalmark.Thefinalexamwasoutof2xmarksandwasworth75%ofhisfinalmark.Fredscored40marksonthefir
Fred'sfinalmarkinanonlinecoursewasdeterminedentirelybytwoexams.Themid-termexamwasoutofxmarksandwasworth25%fohisfinalmark.Thefinalexamwasoutof2xmarksandwasworth75%ofhisfinalmark.Fredscored40marksonthefirstexamand60marksonthesecondexam.DeterminethevalueofxifFredearnedafinalmarkof50%inthecourse.
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2020-04-05 22:06