 
 <prompt> Kelly, Brittany, da Buffy suka tafiya a cikin ruwa a Salt Rock Lake da suka yi shirye-shirye don ganin wani ya iya dauki damar dauki damar ruwa a cikin lokaci. Kelly ta dauki damar ruwa a cikin lokaci don 3 minti. Brittany ta dauki damar ruwa a cikin lokaci don 20 seconds yana daidai da wani ya dauki, da Buffy ta dauki damar ruwa a cikin lokaci don 40 seconds yana daidai da Brittany ta dauki. Yaya lokacin, a seconds, Buffy ta dauki damar ruwa a cikin lokaci? <response>: Kelly ta yi jin hanci sama da 3 minti, ko 3*60=180 seconds.
Brittany ta yi jin hanci sama da 20 seconds daga cikin lokacin da Kelly ta yi, ko 180-20=160 seconds
Sannan Buffy ta yi jin hanci sama da 40 seconds daga cikin lokacin da Brittany ta yi, ko 160-40=120 seconds.

Sami kunnawa: 120. 