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December 21, 2014

December 21, 2014

Posted by **thomas** on Wednesday, April 9, 2014 at 11:42am.

a. 21

b. 22

c. 28

d. 30

e. 32

please answer and explain

- math -
**PsyDAG**, Thursday, April 10, 2014 at 1:39pmIf there are 9 left over from 3 rows and 2 left over from 4 rows, each row must seat 9-2 = 7 pupils

So, 7*4 +2 = ?

Or, 7*3 +9 = ?

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