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Please Help!! At a seminar, 2/5 of the audience were students. 3/10 of them were retirees. The rest were professionals. There were 18 more students than professionals. How many people were in the audience?
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Please Help!! At a seminar, 2/5 of the audience were students. 3/10 of them were retirees. The rest were professionals. There were 18 more students than professionals. How many people were in the audience?

User Jaydeep Namera
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2/5 =4/10
Professional = 10/10- 4/10-3/10=3/10
4/10-3/10=1/10
1 unit = 18
10 units =180
User Travis White
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