IE220_F08_exam1

# IE220_F08_exam1 - 1 IE 220 Fall 2008 Professor P´olik...

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Unformatted text preview: 1 IE 220 Fall 2008 Professor P´olik October 2, 2008 Name: Mid-Term Exam 1 INSTRUCTIONS: • Write neatly and show your work for each question. • I will give partial credit for partial answers. • You may not use your notes, slides, or textbook. • You may not use a calculator. • If you need more space, use the back of the page or come see me and I will give you more paper. • You may remove the staple if you wish. Please put the pages back in the correct order at the end of the exam. • There are 50 total points. • Good luck! 2 1. ( 17 points ) A cargo plane has three compartments for storing cargo: front, center and back. These compartments have capacity limits on both the weight and space, as summarized below: Compartment Weight Capacity (Tons) Space Capacity (Cubic Feet) Front 12 7000 Center 18 9000 Back 10 5000 Furthermore, the weight of the cargo in the respective compartments must be the same propor- tion of that compartment’s weight capacity to maintain balance of the airplane. This means that if the front is filled up to 50% of its weight capacity, then all the other compartments must be filled up to 50% of their weight capacity. The following four cargoes have been offered for shipment on an upcoming flight as space is available: Cargo Weight (Tons) Volume (Cubic Feet/Ton) Profit (\$/Ton) 1 20 500 320 2 16 700 400 3 25 600 360 4 13 400...
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IE220_F08_exam1 - 1 IE 220 Fall 2008 Professor P´olik...

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