GARA DI BACHECA 2015 2016: QUESITO N°11

 COMMITTEE

The average age of a 10-members committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
How many years younger was the new member than the old member he replaced? pt.20

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scade il 23 febbraio

RISPOSTA QUESITO N°10: 3
 
HANNO RISPOSTO CORRETTAMENTE al quesito 10: (10PT)