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The area of a lily pond covered by leaves doubled every day. If the pond was covered with leaves on the 16th day, on which day was the pond half - covered with leaves ?

 Apr 12, 2021
 #1
avatar+33620 
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The 15 th day it was 1/2 covered.....then it doubled to total coverage on day 16

 Apr 12, 2021
 #2
avatar+2122 
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15. :))

At 15 it'll be 1/2. 

Then at 16, it'll be 1 (1/2*2)

 

=^._.^=

 Apr 12, 2021

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