Aubrey just returned from a summer vacation at her grandmother’s house. while on vacation, aubrey took 684 pictures. she stayed at her grandmother’s for 12 days. if she took the same number of pictures each day, what was the daily amount of pictures taken? show your work.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.