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samhussain

  • one year ago

An orchestra consists of 25 members. The youngest member is 32 years old. She leaves and is replaced by a new member who is 30 years old.By how much does the replacement change the average age of the members of the orchestra?

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  1. Directrix
    • one year ago
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    http://openstudy.com/study#/updates/51513785e4b0d02faf5be2e9

  2. basmelssen
    • one year ago
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    2 years is 24 months. 24months / 25 people is 0.96 months. so average age is reduced by 0.96 month

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