Apurva0614
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  • 04-05-2022
  • Mathematics
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Аноним Аноним
  • 04-05-2022

Answer:

P = 20

Step-by-step explanation:

Mean

  • 18.75 = 10(5) + 15(10) + P(7) + 25(8) + 30(2) / 32
  • 18.75 × 32 = 50 + 150 + 7P + 200 + 60
  • 600 = 460 + 7P
  • 7P = 140
  • P = 20
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