Rachel weighs 75 pounds, 6 pounds less than Jimmy and 15 pounds more than Adam. What is the average weight of the three people, in pounds?
Thoughts? Step-by-step reasoning:
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Jimmy weighs 75 + 6 = 81 pounds. Adam's weight is 75 - 15 = 60 pounds. In total, the three weigh 75 + 81 + 60 = 216 pounds. The average weight of the three is 216 / 3 = 72 pounds.
Thus, the answer is 72.
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