Multiple Choice
You have a weed growing exponentially on your pond. It doubles in numbers every day. Unchecked it will cover the pond in 40 days. You decide to weed the pond when it's half covered. On what day is that?
A) 10
B) 20
C) 30
D) 35
E) 39
Correct Answer:
Verified
Correct Answer:
Verified
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