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Business, 07.11.2019 22:31 SKYBLUE1015

The marginal, or additional, gain from kyoko's first hour of work, from 8: 00 am to 9: 00 am, is 80 problems.
the marginal gain from kyoko's third hour of work, from 10: 00 am to 11: 00 am, is 40 problems.
later, the teaching assistant in kyoko's chemistry course gives her some advice. "based on past experience," the teaching assistant says, "working on 30 problems raises a student's exam score by about the same amount as reading the textbook for 1 hour." for simplicity, assume students always cover the same number of pages during each hour they spend reading.
given this information, in order to use her 4 hours of study time to get the best exam score possible, how many hours should she have spent working on problems, and how many should she have spent reading?
- 3 hours working on problems, 1 hour reading

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The marginal, or additional, gain from kyoko's first hour of work, from 8: 00 am to 9: 00 am, is 80...
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