Ade has midterms in economics and astronomy tomorrow and only has four hours left to study. The accompanying table provides the combinations of time spent studying economics and astronomy and her expected exam scores. Hours Spent Economics Exam Hours Spent Astronomy Exam
Studying Economics Score Studying Astronomy Score
0 60 0 70
1 80 1 83
2 90 2 87
3 95 3 90
4 98 4 92
a. Use a graph to plot the production possibilities frontier for Jade's study options.
b. Suppose Jade spends the first two hours studying economics. The opportunity cost of spending the third hour studying economics is points on her exam.
c. Suppose Jade’s goal is to maximize her combined exam scores. Calculate how many hours she should spend studying economics and how many hours she should spend studying astronomy.
Jade should spend hours studying economics and hours studying astronomy.
d. Suppose Jade's laptop dies and refuses to start up. All her notes and class materials (for both classes) are saved on its hard drive.
Jade's production possibilities curve will , because studying .