In a Lake, there is a patch of lily pads. Every day, the patch doubles in size. It takes 37 days for the patch to cover the entire lake, how many days would it take the patch to cover half of the lake? Select the correct option:
A) 36
B) 2^4*3
C) 24
D) 38
E) 47
Working backward from the day it's covered:   day 37: fully covered   day 36: half covered   So 36 days   36NSWER:36
<result>A</result>
In a Lake, there is a patch of lily pads. Every day, the patch doubles in size. It takes 37 days for the patch to cover the entire lake, how many days would it take the patch to cover half of the lake?