Edward C. answered 10/25/15
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Caltech Grad for math tutoring: Algebra through Calculus
Are you sure you typed in this question correctly? Because it says they can unload a shipment of 616 cases of fan belts in 4 hours, and then it asks how many cases they can unload in 4 hours - which is pretty obviously 616 since that's how many they told you they could unload in 4 hours.