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January 25, 2015

January 25, 2015

Posted by **Anonymous** on Monday, April 21, 2008 at 8:03pm.

The answer choices are:

1

3

5

6

7

- math -
**Reiny**, Monday, April 21, 2008 at 8:24pmThe sum of 1+2+..+7 = 28

If after removing a card the unit digit of the sum of the remaining is 7, that sum could be either 27 or 17

For the 17, the card removed had to be a 10, not possible.

So the card removed was a 1

for the

- math -
**anonomous**, Tuesday, April 22, 2008 at 10:16pmi dont know bcuz im only n da 6th grade

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