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24-10-2018
Mathematics

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A first-class postage stamp was $0.02 in 1885. The same first-class postage stamp in 2006 was 39¢. What is the percent of increase in the cost of a first-class postage stamp?

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24-10-2018

Answer:

18500%

Step-by-step explanation:

(39-2)/2

37/2

18.5

18500%

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