A research survey polled 500 secondary students regarding study habits: 250 studied in school libraries, 150 studied at home, and 100 studied in community centers. What percentage of surveyed students studied at home?
Answer and explanation
Correct answer: D. 30%
- Step 1: Calculate the proportion studying at home: . Step 2. . Answer: 30%. Why not the others: corresponds to community centers (); would require 125 students; would require 175 students.
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