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20 December, 20:08

In a class of 200 students, 120 students take german, and 100 study french. if a student must study at least one of these languages, what percent of the students study french but not german

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  1. 20 December, 20:34
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    U=200

    n (G) = 120

    n (F) = 100

    n (GnF) = x

    U=n (G) + n (F) - n (GnF)

    200=120+100-x

    x=20

    French but not German is 100-20=80

    percentage = 80/200 * 100% = 40%
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