Respuesta :
Because the price of eggs increased at the same rate as the CPI from 1970 to 1980, then, the amount that a dozen eggs cost in 1980 will be $0.53.
What is a CPI?
The CPI refers to Consumer Price Index.
We calculate the Consumer Price Index by add together a sampling of product prices from a previous year and add together the current prices of the same products.
Hence, the amount that a dozen eggs cost in 1980 will be $0.53.
Therefore, the Option D is correct.
Read more about CPI
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