Answer:
14.4 hours or 14 hours and 24 minutes
Step-by-step explanation:
1) Find slope using two points
(1,10);(5,60)
(60-10)/(5-1) = 50/4 = 12.5 boxes per hour
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2) Divide
180/12.5 = 14.4
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14.4 hours or 14 hours and 24 minutes
