The potato chip company operates by using 150 lb/hr of dirty, unpeeled potatoes.

Question

The potato chip company operates by using 150 lb/hr of dirty, unpeeled potatoes. They enter the plant and go through the washing, peeling, slicing, cooking, oil separation and seasoning steps prior to packaging.

1. In addition to the 150 lb/hr of dirty potatoes, water enters stage 1 (washing) at 200 lb/hr and cleans off the dirt from the potatoes, creating a waste stream that leaves stage 1 at 206 lb/hr. Assuming the potatoes leaving stage 1 soak up 2 lbs/hr of water (and contain no dirt), how much dirt is there on 150 lbs of potatoes?

2. What is the rate of wet potatoes (potatoes plus water) leaving stage 1 and entering stage 2, peeling?
A. 134 lb/hr B. 140 lb/hr C. 144 lb/hr D. 154 lb/hr E. 192 lb/hr

Explanation / Answer

2. What is the rate of wet potatoes (potatoes plus water) leaving stage 1 and entering stage 2, peeling? c

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