SOLUTION: For the age group 18 to 25, the fraction of people who used illicit drugs during their lifetime was 12/25, whereas the fraction who used illicit drugs during the past year was 27/1

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Question 49931: For the age group 18 to 25, the fraction of people who used illicit drugs during their lifetime was 12/25, whereas the fraction who used illicit drugs during the past year was 27/100. What fraction of this population has used illicit drugs but not during the past year?
Thank you I appreciate your help.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
12/25 - 27/100
= 48/100 - 27/100
=21/100
Cheers,
stan H.