kayltosh2729
08.10.2019 •
Mathematics
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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Ответ:
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%
Ответ:
oh the answer is c
Step-by-step explanation: