 
 <prompt> Yau da safe Bob ya cire gashi ya cire shi zuwa 6 inches. Gashi ya yau ya kasance 36 inches. Idan gashi ya zama da tsawon .5 inches a watan, me yasa ya samu lokacin ya zama da gashi? <response>: Hair ya yi 36 inches - 6 inches = 30 inches
Hair ya yi ƙara a cikin lokaci na 12 months/year * 0.5 inches/month =6 inches/year
Ya samu lokaci 30 inches / 6 inches/year = 5 years don samun hair ya yi. 

Javobi zai zama 5. 