 
 <prompt> A lokacin da aka kafa wani kula da ke kula wa masu yin hulda a tsakanin kasar, akwai lambar wadanda suka sha da ruwa da kuma 3 kuma yana yin hulda da 7 da su. Idan akwai 45 jami'in yara, me yasa akwai wani wanda ya sha ruwa? <response>: ```d ya kasance lamba na wani masu zafi da kuma s ya kasance lamba na masu hulda. Mu san cewa d + s = 45 da kuma s = 7d - 3.
Bayanin wani lamba na biyu a cikin lamba na farko, muna da d + 7d - 3 = 45
Jama'a kamar yadda ake nema, muna da 8d - 3 = 45
Zaɓi 4 zuwa gaba a kowace, muna da 8d = 48
Mai lamba a kowace, muna da d = 6

Javaba zai kasance 6.``` 