Answers

2014-07-22T18:22:14+08:00
You can make 5. You can make 4 from 40 and just group together the remaining
7
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2014-07-22T18:23:27+08:00
4

because 47 / 4 is 4 remainder 7. 

7 is less than thus not forming a bundle of 10.

so the answer is 4
0