The life expectancy of a circulating coin is 25 years. The life expectancy of a circulating dollar bill is only 1/20 as long. Find the life expectancy of circulating paper money

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11-09-2017
Mathematics

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The life expectancy of a circulating coin is 25 years. The life expectancy of a circulating dollar bill is only 1/20 as long. Find the life expectancy of circulating paper money

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meerkat18 meerkat18 · Answer 1 · 2017-09-20T14:59:59+02:00

meerkat18 meerkat18

20-09-2017

This problem can be solved easily by multiplying the time of the life expectancy of the coin with the fraction 1/20. The solution is as follows:

Life expectancy of circulating paper money = 25 years * 1/20
Life expectancy of circulating paper money = 1.25 years or 1 and 1/4 years

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