Emily has a collection of soccer balls. twelve of her soccer balls are pink these make up 40% of her collection. how many soccer balls are in emily's collection? use mathematicsto justify your answer.

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?