3 years ago

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Mathematics

1 answer:

sashaice [31]3 years ago

4 0

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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