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13 Jun 2020, 10:16
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Nicotino's estimates that 10% of the people in Florida are smokers who do not drink and that 50% of the people in Florida who drink are smokers. If 40% of the people in Florida are smokers, what percentage of people are non-smokers and non-drinkers?
A)25%
B)30%
C)40%
D)50%
E)60%
Please help . I am getting answer as C)40% using vein diagram but correct answer is 30%
A)25%
B)30%
C)40%
D)50%
E)60%
Please help . I am getting answer as C)40% using vein diagram but correct answer is 30%
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13 Jun 2020, 11:00
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Kanishkagoyal
Hi Kanishkagoyal
Please find the correct solution below: -
Given: Nicotino's estimates that 10% of the people in Florida are smokers who do not drink and that 50% of the people in Florida who drink are smokers.
Asked: If 40% of the people in Florida are smokers, what percentage of people are non-smokers and non-drinkers?
Step 1: - Fill the table with given information.
Attachment:
Screenshot 2020-06-13 at 11.32.52 PM.png [ 25.93 KiB | Viewed 796 times ]
Step 2: Derive secondary information after calculations.
Attachment:
Screenshot 2020-06-13 at 11.33.51 PM.png [ 27.44 KiB | Viewed 765 times ]
Step 3: Derive what is asked.
Attachment:
Screenshot 2020-06-13 at 11.29.04 PM.png [ 27.97 KiB | Viewed 763 times ]
IMO B
Hope it helps!
13 Jun 2020, 11:09
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