The Lilypad Lake
Algebra
Level
1
In a lake, there is a patch of lily pads. Every day, the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?
24 days
12 days
47 days
3 days
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1 solution
The lilypads double in size so if we work backwards - on day 48 the whole lake is covered
- On day 47 half the lake is covered - And on day 46 a quarter of the lake is covered