Which statement correctly interprets this graph?
a. Seven boxes are filled every twelve minutes.
b. Four boxes are filled every three minutes.
c. Twelve boxes are filled every seven minutes.
d. Three boxes are filled every four minutes.
![Which statement correctly interprets this graph a Seven boxes are filled every twelve minutes b Four boxes are filled every three minutes c Twelve boxes are fil class=](https://us-static.z-dn.net/files/d96/f9a9ff8bb6285637ee8442d1080330db.png)