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Students at the Hong Kong University write anexam. An average mark is computed for 100 students in business, an average is computed for 300 students
Students at the Hong Kong University write anexam. An average mark is
computed for 100 students in business, an average is computed for 300 students in liberal arts, and
an average is computed for 200 students in science. The average of these three averages is 82%. The
overall average for the 600 students is 86%. Also, the average for the 300 students in business and
science is 4 marks higher than the average for the students in liberal arts. Determine the averages
for each group of students.
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