adult tickets cost 1.25 Child tickets cost 0.75p you sell 80 tickets for 7500p How many are adult tickets and how many ar

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1. Let x = the number of adult tickets you sold.
   Naturally, the number of child tickets you sold would be 80-x.
   1.25x + 0.75(80-x) = 75
   1.25x + 60 – 0.75x = 75
   0.5 x = 15
   x = 30
   adult tickets = 30
   child tickets = 80-30 = 50

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