Respuesta :

23 minutes = 10 laps

15 minutes = x laps


(15*10)/23= 150/10 = 15 laps


I hope that's help !

Answer:

if he can swim 10 laps in 23 mins so how long he can swim the 15 laps?

you can say:

10/23 = 15/?

so

that is your answer and have a nice day!!!!!!