Part A Assume that 200 students attend the dance. Decide which band Paula should choose, then give the cost per ticket so that the expenses for the dance are covered.

$
per ticket for 200 students

Part B
Explain how you found the cost per ticket, if 200 students attend.

I really need help

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.