Jasper made a flag for his football team. he painted 1/2 of the flag blue and 1/2 of the flag yellow. he added stars to 1/3 of the blue section. what fraction of the total flag is the blue section with stars?

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.