Mathematics, 16.04.2021 04:10 waltzcampbell

Between 1980 and 2000, the cost of a gallon increased by 30%. In 1980, the cost of a gallon of milk was $2.16. Questions:
1. What was the cost of a gallon of milk in 1990?

2. What was the cost of a gallon of milk in 1997?

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Between 1980 and 2000, the cost of a gallon increased by 30%. In 1980, the cost of a gallon of milk...