Engineering, 13.09.2019 22:10, nikkih1225

On january 1, 1947, first-class postage for a 5-ounce envelope was 3 cents. st-class postage for a 5-ounce envelope was 3 cents. on january 1, 2018, a first-class stamp for the same envelope cost 49 cents. what annual compound increase in the cost of first-class postage was experienced during this period?

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On january 1, 1947, first-class postage for a 5-ounce envelope was 3 cents. st-class postage for a 5...