Suppose you have exams in economics and astronomy tomorrow, and you only have four hours left to study. The accompanying table provides with combinations of time spent studying economics and astronomy and your expected exam scores: Hours spent studying economics 0 1 2 Economics exam score Hours spent studying astronomy Astronomy exam score 60 4 92 80 3 90 90 2 87 95 98 1 0 83 70 3 4 a) Suppose you were planning on splitting your time evenly between the two subjects. What is the opportunity cost, in terms of your marks, of studying one extra hour for economics or one extra hour of astronomy? b) If your goal is to maximise your combined exam scores, how many hours should you spend studying each subject?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Suppose you have exams in economics and astronomy tomorrow, and you only have four hours
left to study. The accompanying table provides with combinations of time spent studying
economics and astronomy and your expected exam scores:
Hours spent
studying economics
0
1
2
Economics exam
score
Hours spent
studying astronomy
Astronomy exam
score
60
4
92
80
3
90
90
2
87
95
98
1
0
83
70
3
4
a) Suppose you were planning on splitting your time evenly between the two subjects. What is
the opportunity cost, in terms of your marks, of studying one extra hour for economics or one
extra hour of astronomy?
b) If your goal is to maximise your combined exam scores, how many hours should you spend
studying each subject?
Transcribed Image Text:Suppose you have exams in economics and astronomy tomorrow, and you only have four hours left to study. The accompanying table provides with combinations of time spent studying economics and astronomy and your expected exam scores: Hours spent studying economics 0 1 2 Economics exam score Hours spent studying astronomy Astronomy exam score 60 4 92 80 3 90 90 2 87 95 98 1 0 83 70 3 4 a) Suppose you were planning on splitting your time evenly between the two subjects. What is the opportunity cost, in terms of your marks, of studying one extra hour for economics or one extra hour of astronomy? b) If your goal is to maximise your combined exam scores, how many hours should you spend studying each subject?
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