1. H-10: You Are What You Eat (p.331)
1. variables amount of each cereal eaten 
2. constraints amount of protein & amount of carbs
3. min or max? minimize amount of cereal to eat
2. Profitable Pictures (p.326-7)
1. variables how many watercolor or pastel pictures to make
2. constraints total <16, cost
3. min or max?  maximize profit
3. H-12: Rock 'n' Rap (p.335)
1. variables  how many rock or rap CDs
2. constraints production time, investment ($)
3. min or max? maximize profit
4.