Respuesta :
Hey :)
r = 20/7 = 2 6/7
Add 6 to both sides
7r =14+6
Add 14 and 6 to get 20
7r=20
Divide both sides by 7
r = 20/7
Hope this helps :)
r = 20/7 = 2 6/7
Add 6 to both sides
7r =14+6
Add 14 and 6 to get 20
7r=20
Divide both sides by 7
r = 20/7
Hope this helps :)