Alice organizes online conferences for beginner entrepreneurs. When a session runs for 3 hours, 90 people attend and when a session runs for 5 hours, only 70 people attend. Let y represent the number of conference attendees and let x represent the duration of the session (in hours).
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Answer:
90y = 3x-----------(1)
70y = 5x------------(2)
by equating the above two
90y+70y = 3x+5x
160 y = 8x
160/8 y = X
20 y = x ------------(3)
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