 
 <prompt> There are 480 zombies in the shopping mall. If the number of zombies doubled every day, how many days ago were there less than 50 zombies in the mall? 

Fi ọmọde 480 ni agbole alaaye. Ti owo ọmọde ba wa ni iranlọwọ, ni ojo melo kọja ti o ti wa ni omo 50 ni agbole? <response>: ```Ṣe iru ẹ̀yẹ zombie wà ní ọjọ kan sẹ: 480 zombies / 2 = 240 zombies
Ṣe iru ẹ̀yẹ zombie wà ní ọjọ meji sẹ: 240 zombies / 2 = 120 zombies
Ṣe iru ẹ̀yẹ zombie wà ní ọjọ meta sẹ: 120 zombies / 2 = 60 zombies
Ṣe iru ẹ̀yẹ zombie wà ní ọjọ merin sẹ: 60 zombies / 2 = 30 zombies, tó bá jẹ̣ ọkan, wọn ti wà níbi ọkan ọjọ merin.

Ìrò yìí yoo jẹ 4.``` 