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Unformatted text preview: bottom of the box costs $ 3 per square foot. What is the largest volume box you can make for $ 50? 4 From 2.2: Two ships, one northbound and one westbound, are both traveling at the same speed of 50 mph. The westbound ship passes a tiny island, and two hours later the northbound ship passes the same island. Later, at 08:00 GMT, the two ships are 500 miles apart. At what time (GMT) did the northbound ship pass the island? 2.3 Follow up: At what time are the ships closest to each other? 5...
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 Spring '08
 Mcginnis
 Imperial units, $ 50, $ 3, 50 mph, $ 2

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