the culinary class has 25 cups of flour to make cookies and tarts. they can get as much as they need of other ingredients. a tray of cookies requires 2 cups of flour; a tray for tarts requires 1 cup of flour. it takes one half hour to make a tray of cookies and one hour to make a tray of tarts. the class can allocate 10 hours to the project. write the let statements and the inequalities.