A survey found that 80% of the apartments in City G have smoke alarms installed. Of these apartments, 20 percent have smoke alarms that are not working. What percent of the apartments in City G were found to have working smoke alarms?

Question

anonymous · Answer

Do you have an answer key, I need numbers to work with?

anonymous · Answer

Yeah i do! @loveiskey18
A) 60%
B) 64%
C) 66 2/3%
D) 70%
E) 72%

anonymous · Answer

I mean you need numbers to work with :)
Let's say that there are 100 apartments in this city.

amistre64 · Answer

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