Respuesta :

FIND GCF!

3: 3, 6, 9, 12 ,15
4: 4, 8 , 12, 16
Kaikerscupcake
Okay, let's take a look:

I am going to add up the numbers and see where we get.

3+3+3+3= 12
4+4+4= 12

I counted up to when they would land on the same number. They landed on 12. So, every 12 days he will run and practice his trumpet on the same day.

I hope this helped!
~cupcake