Two high schools ordered ap chemistry text book from the same book store. a new hampshire school has ordered 80 copies, while a vermont school ordered only 55 copies. the store has 70 books in its warehouses in massachusetts and 100 books in the other warehouse in new york. shipping one copy from massachusetts to new hampshire costs $2 and from massachusetts to vermont costs $3. shipping from new york’s warehouse is respectively $2.5 and $1.7. how many copies should the company ship from each warehouse to each school to minimize the shipping costs on these two orders?