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User SymbolixAU
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4.3k points

1 Answer

11 votes

Answer:

P = 20

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
User Conal Tuohy
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