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3 years ago

11

in 1990, the cost of U.S. stamp was 25 cents. In 2010, the cost of U.S. stamp was 44 cents. In 20 years, what was the percent of

increase in cost of stamps?

1 answer:

Drupady [299]3 years ago

5 0

Answer:

8

Step-by-step explanation:

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