n 2019 and in​ 2020, consumers in Dexter purchased only books and pens.   The prices and quantities for 2019 and 2020 are listed in the table.   The reference base period for​ Dexter's CPI is 2019 and 2019 is also the year of the Consumer Expenditure Survey.   Calculate the CPI in 2020.   2019 2020 Item Price Quantity Price Quantity Books ​$2 4 ​$6 8 Pens ​$8 4 ​$10 9 The CPI in 2020 is​ _______.     A. 62.5   B. 100.0   C. 160.0   D. 64.

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Chapter6: Measuring The Cost Of Living
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In 2019 and in​ 2020, consumers in Dexter purchased only books and pens.
 
The prices and quantities for 2019 and 2020 are listed in the table.
 
The reference base period for​ Dexter's CPI is 2019 and 2019 is also the year of the Consumer Expenditure Survey.
 
Calculate the CPI in 2020.
 
2019
2020
Item
Price
Quantity
Price
Quantity
Books
​$2
4
​$6
8
Pens
​$8
4
​$10
9
The CPI in 2020 is​ _______.
 
 
A.
62.5
 
B.
100.0
 
C.
160.0
 
D.
64.
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