Question The average weight of 6 people in an elevator is 173 pounds. A 7th person gets on and now the average weight is 165 pounds. How much did the 7th person weigh? how do I begin this problem and what kind of problem is it?
Question
The average weight of 6 people in an elevator is 173 pounds. A 7th person gets on and now the average weight is
165 pounds. How much did the 7th person weigh?
how do I begin this problem and what kind of problem is it?
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