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CPI increases from 29.6 to 38.8. if eggs cost $0.31 in 1960, how much would they cost in 1970?

Guest Mar 9, 2017
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 #1
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38.8 / 29.6 =1.3108 - 1 x 100 =31.08% increase in inflation over 10 years

$0.31 x 1.3108 =$0.41 cost of eggs in 1970.

Guest Mar 9, 2017
 #2
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Here is a way to set it up as a simple ratio

 

29.6 is to 38.8   as  .31 is to x

29.6/38.8 = .31/x          x = .40635

ElectricPavlov  Mar 9, 2017

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