If ABC is dilated by a scale factor of 3, which statement is true of the image A'B'C'? (1)3A’B’=AB
(2)B’C’=3BC
(3)m (4)3(m

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.