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Mathematics, 02.12.2020 05:10 firenation18

in a survey of some students ,it was found than 60%of them studied commerce and 40% studied science. if 40 students studied both the subjects and 10% didn't study any of the subjects. find the total number of students. find the number of students who studied science only

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in a survey of some students ,it was found than 60%of them studied commerce and 40% studied science....
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