 
 <translate> Jason waits on a customer whose check comes to $15.00. Jason's state applies a 20% tax to restaurant sales. If the customer gives Jason a $20 bill and tells him to keep the change, how much is Jason's tip?
Thoughts? Step-by-step reasoning: <hau> Jason yana jiran abokin ciniki wanda aka ba shi $ 15.00. Jihar Jason tana amfani da harajin kashi 20 cikin dari ga tallace-tallace na gidan abinci. Idan abokin ciniki ya ba Jason takardar dala 20 kuma ya gaya masa ya riƙe kuɗin, nawa ne kuɗin da Jason zai ba shi? Wani tunani? Dalili na mataki zuwa mataki: 