The working class cost of living index numbers for a certain place are given below for certain years. Interpolate the missing number : Year : 1969 1970 1971 1972 1973 1974 Index No. 320 300 280 278 250

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.6: Rational Functions
Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.
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The working class cost of living index numbers
for a certain place are given below for certain years. Interpolate
the missing number :
Year
: 1969
1970
1971
1972
1973
1974
Index No.
320
300
280
278
250
Transcribed Image Text:The working class cost of living index numbers for a certain place are given below for certain years. Interpolate the missing number : Year : 1969 1970 1971 1972 1973 1974 Index No. 320 300 280 278 250
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