<div class="userscript-fancy-note-content" style="display:block;width:100%;margin:0;padding:0;font-size:1.6em;font-family:comic;color:rgb(255, 255, 255);font-weight:bold;font-style:normal;text-decoration:none;text-align:center;white-space:normal;text-shadow:none"><div style="display: flex; justify-content: center; align-items: center; font-size: 1.5em; text-align: center; font-family: comic; color: #000000; text-shadow: none; transform: scaleX(1); white-space: normal; margin: 0; padding: 0;"><p style="font-weight: 100; margin: 0 0 1em; padding: 0;"><br><b>There is one Koyuki.
One minute later, she splits into two Koyukis; after another minute, each of those Koyukis split in two and become four Koyukis.
If she continues to divide in this way, one Koyuki will fill up a room in 30 minutes.
If Yuuka trapped Koyuki in a room as soon as she saw her divide, how many minutes would it take for the room to be entirely filled up?</b></p><br></div></div><div class="note-box-attributes" style="transform:rotate(0deg);background-color:#fbf4e4;border-radius:0%;justify-content:center;align-items:center"></div>