There are 24 pictures on a roll of film. Adelle had 84 pictures from her trip home. She said that 12 other pictures were spoiled. How many rolls of film did Adelle use?

Respuesta :

Adelle used three rolls of film.
1 roll she would have 60 left, 2 rolls she would have 36 left, 3 rolls she would have 12 left and those are spoiled so it would be 3