Answer:
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Answer:
22.5 is the answer.
Step-by-step explanation:
The number keeps increasing by 4.5
The mean of the given numbers is 8.
Phil will have 36 rocks, and since Phil has 3x more than Peter, you take 36/3 which equals 12, 12+36=48. then to find the difference you take 36-12 which equals 24