Question

there are 5 cards: 2,5,7,8,9 one of the cards is removed and the mean average of the remaining 4 cards is 6 what card was removed

Answer 1

Card 7

Explanation:

Card 7 was removed because 2 + 5 + 8 + 9 is 24 and 24 divided by 4, the amount of cards, gets the average of 6.