Lakenwilliams1250
Lakenwilliams1250
10.08.2021 • 
Mathematics

A certain high school offers exactly two foreign languages, Spanish and French. 10\% of students do not take a foreign language class, and 70\% of students take exactly one foreign language class. If half of all students take a French class and 50 students take classes in both languages, how many students take a Spanish class

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