Pablo is correct because , the number 0.8759 is rational number because it doesn't go on like pi or the square root of 2 it stops at a certain point and was probably rounded . I'm not sure if its 100% correct.
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It would be: 567/18 = 31.5
So, she needs atleast 32 shelves....
Answer:
Median = 6.5 or 6 1/2
HOPE THIS HELPED! HAVE A GREAT DAY! :)