Mathematics, 11.03.2021 01:00, ghernadez

In 1963, postage was 5 cents per ounce. In 1981, postage was 18 cents per ounce. If the trend had continued through to 2015, what would the postage per ounce be?

(round to the nearest cent)

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In 1963, postage was 5 cents per ounce. In 1981, postage was 18 cents per ounce. If the trend had c...