[tex]\boxed{~ Hello!\; here's\; your \;answer!}[/tex]
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[tex]\huge\boxed{A.}[/tex]
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A's Explanation...
- The first point given is at 3 and 4. 3 is at "Boxes Filled" While 4 is at "Time (Min)". Therefore, your answer is A, 3 boxes are filled every 4 min.
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[tex]\boxed{Hope\;I\;helped!}\\\\\\\boxed{May\;I\;Have\;Brainliest?}\\\\\\\\\huge\boxed{Thanks,\;Plip.}[/tex]
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