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Mathematics, 25.02.2021 06:10 kachinafenton9098

Between 1970 and 1980, the Rockfort Corporation used a 10-year expansion plan to increase its annual earnings steadily. The corpo- ration had earnings of $3.6 million in 1975 and $6 million in 1977. A. About how much were the corporation's annual earnings in 1972?
B. About how much did it earn by the end of the 10-year plan?​

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