Respuesta :
Answer:
12 laps
Step-by-step explanation:
15÷4=3.75
45÷12=3.75
not sure whether it's true or not but at least I got the answer-
Answer : 12 laps
(4 laps) x 3 / (15 minutes)x 3
12 laps / 45 minutes
(4 laps) x 3 / (15 minutes)x 3
12 laps / 45 minutes