Question 1144809
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For each row of the table, let's compute the overall volume


Row 1: 20*13*12 = 3120
Row 2: 12*12*12 = 1728
Row 3: 20*10*6 = 1200
all volume amounts above are in "cubic inches"


Now divide each volume by the number of apples for the particular row


Row 1: (3120 cubic inches)/(72 apples) = 43.3333 cubic inches per apple 
Row 2: (1728 cubic inches)/(40 apples) = 43.2 cubic inches per apple 
Row 3: (1200 cubic inches)/(28 apples) = 42.857 cubic inches per apple 


The results of 43.3333, 43.2, and 42.857 are fairly close to 43.1, so you are correct in stating that choice D is the answer. Nice work.
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