At an end-of-summer clearance sale, Nathan sees a hat marked "65% Off." The original price was $12.98. Part A
How much money is discounted from the original price? Show your work. Round your answer to the nearest cent.
Part B
After the discount, what is the final price of the hat? Round your answer to the nearest cent.

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.