Answered

A dragon lived in a cave.
The dragon doubled in size every day.
After 20 days the dragon filled the cave.
After how many days did the dragon half-fill the cave?

Answer :

MAHEENSHAIKHGO

Answer:

If the dragon DOUBLES in size each day.....the day prior it is 1/2 size

full cave = 20 days previous day it was 1/2 size of the cave so answer is 19 days to fill 1/2 cave

SVETLANAMGO

Answer: After 19 days, the dragon filled half of the cave.

Step-by-step explanation:

The dragon doubled in size every day and after 20 days he filled the cave.

So, one day before, the dragon occupied half of the cave.

20 - 1 = 19  [days]

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