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How many people have attended Susanne’s birthday party? (1)

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How many people have attended Susanne’s birthday party?
(1) If, in addition to all those who attended, the 3 friends who take bass classes with her had come, there would have been at least 20 people at the party.
(2) If no other person had attended and the 3 friends who live in another town had not made it to the party, the attendance would have been below 15 people.

1 Answer

1. x+3*=20, 2. x-3*15 : imo ans C?
answered Oct 17, 2016 by Student (71 points)
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Jyotsna Mehta

Indian School of Business, Co'18

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