 
 <prompt> Kenneth ya yi amfani da 10% daga kudi da ya samu wannan mako na wannan mako a wannan mako. Idan ya kai $405, shin abin da ya samu ne? <response>: ```Saboda Kenneth ya kasance 10%, to za'a iya cikin 100% - 10% = 90% na kudi na.
Saboda 90% na kudi na wani abu ne da aka samu $405, to 1% na kudi na shine $405/90 = $4.50.
Duk da haka, kudi na Kenneth shine $4.50 x 100 = $450.

Javaba zai zama 450.``` 