Shelley is searching online for airline tickets. Two weeks ago, the cost to fly from Hartford to Denver was $200. Now the cost is $285. What is the percent increase? What would be the percent increase
the airline charges an additional $50 baggage fee with the new ticket price?
The percent increase of the airline ticket is %.

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.