Dora, Joy and Alan each draws 2 cards from 7 cards that are numbers 2,4,6,8,10,12,14
Dora: The sum of the numbers my card is 22
Joy: The sum of the numbers my card is 10
Alan: The sum of the numbers my card is 14
Which Card is left behind?
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Answer:
10 numbered card is left behind
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Answer:
22= 12+6+4
10= 8+2
14= 14
left 10
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