Respuesta :
So assuming she swims the same on Monday, Wednesday, and Friday, as well as 15 on saturday, We can essentially set up an equation.
(51-15)/3
(36)/3
She swims 12 laps On Monday.
(51-15)/3
(36)/3
She swims 12 laps On Monday.
12 laps on Monday 51=15+3L. 51-15=15-15+3L. 36=3L. 36÷3=3÷3L. 12=L
L= Laps
L= Laps