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General information

Question text: 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?

Answer type: Numeric with decimals
Label: how long to cover half of lake
Empty allowed: One-time warning
Error allowed: Not allowed
Multiple instances:

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