Mathematics, 28.06.2019 15:20 emilyplays474

From 1980 to 1990, the consumer price index (cpi) increased from 74.4 to 128.7. if a gallon of apple juice cost $0.78 in 1980 and the price of apple juice increased at the same rate as the cpi from 1980 to 1990, approximately how much did a gallon of apple juice cost in 1990?

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From 1980 to 1990, the consumer price index (cpi) increased from 74.4 to 128.7. if a gallon of apple...