Beth is a hard-working college senior. One Saturday, she decides to work nonstop until she has answered 100 practice problems for her math course. She starts work at 8:00 AM and uses a table to keep track of her progress throughout the day. She notices that as she gets tired, it takes her longer to solve each problem. Time 8:00 AM 9:00 AM 10:00 AM 11:00 AM Noon Total Problems Answered 0 40 70 90 100 Use the table to answer the following questions. The marginal, or additional, gain from Beth's first hour of work, from 8:00 AM to 9:00 AM, is The marginal gain from Beth's third hour of work, from 10:00 AM to 11:00 AM, is problems. problems. Later, the teaching assistant in Beth's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 35 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.

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Chapter5: Business And Economic Forecasting
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Beth is a hard-working college senior. One Saturday, she decides to work nonstop until she has answered 100 practice problems for her math course.
She starts work at 8:00 AM and uses a table to keep track of her progress throughout the day. She notices that as she gets tired, it takes her longer
to solve each problem.
Time
Total Problems Answered
8:00 AM
9:00 AM
40
10:00 AM
70
11:00 AM
90
Noon
100
Use the table to answer the following questions.
The marginal, or additional, gain from Beth's first hour of work, from 8:00 AM to 9:00 AM, is
problems.
The marginal gain from Beth's third hour of work, from 10:00 AM to 11:00 AM, is
problems.
Later, the teaching assistant in Beth's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 35
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.
Transcribed Image Text:Beth is a hard-working college senior. One Saturday, she decides to work nonstop until she has answered 100 practice problems for her math course. She starts work at 8:00 AM and uses a table to keep track of her progress throughout the day. She notices that as she gets tired, it takes her longer to solve each problem. Time Total Problems Answered 8:00 AM 9:00 AM 40 10:00 AM 70 11:00 AM 90 Noon 100 Use the table to answer the following questions. The marginal, or additional, gain from Beth's first hour of work, from 8:00 AM to 9:00 AM, is problems. The marginal gain from Beth's third hour of work, from 10:00 AM to 11:00 AM, is problems. Later, the teaching assistant in Beth's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 35 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.
9:00 AM
40
10:00 AM
70
11:00 AM
90
Noon
100
Use the table to answer the following questions.
The marginal, or additional, gain from Beth's first hour of work, from 8:00 AM to 9:00 AM, is
problems.
The marginal gain from Beth's third hour of work, from 10:00 AM to 11:00 AM, is
problems.
Later, the teaching assistant in Beth's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 35
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?
O 1 hour working on problems, 3 hours reading
O 2 hours working on problems, 2 hours reading
O 3 hours working on problems, 1 hour reading
O 4 hours working on problems, 0 hours reading
Transcribed Image Text:9:00 AM 40 10:00 AM 70 11:00 AM 90 Noon 100 Use the table to answer the following questions. The marginal, or additional, gain from Beth's first hour of work, from 8:00 AM to 9:00 AM, is problems. The marginal gain from Beth's third hour of work, from 10:00 AM to 11:00 AM, is problems. Later, the teaching assistant in Beth's math course gives her some advice. "Based on past experience," the teaching assistant says, "working on 35 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? O 1 hour working on problems, 3 hours reading O 2 hours working on problems, 2 hours reading O 3 hours working on problems, 1 hour reading O 4 hours working on problems, 0 hours reading
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