Answer:
11
Step-by-step explanation:
she divides the number of pencils equally
so the number of pencils per student is 152/13
which is 11.692...
but she can't give 0.69 of a pencil so she gives only the whole part 11
and she keeps 9 pencils
40%
6/15 = 0.4
0.4 * 100 = 40%
6
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THANK YOU.
idk this stuff yet