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In 1970, the CPI was 39 and in 2000 it was 172. A local phone call cost $0.10 in 1970. What is the price of this phone call i

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Answer #1

Cost in 2000 = (CPI in 2000/CPI in 1970)*cost in 1970

= (172/39) *0.1 = $0.44

Therefore (c) 0.44 is the answer to the question

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