Petro is an entrepreneur#8287
Petro is a private entrepreneur who sells various candies. He has observed that some candies are extremely popular, while others have little to no demand.
Petro came up with the idea to create an assortment by mixing two types of candies: popular and unpopular. By combining different masses of each candy type, he created an assortment with a cost of UAH per kg.
Given that popular candies cost UAH/kg and unpopular candies cost UAH/kg, along with the assortment price , determine how many grams of popular candies are in the assortment.
You will be provided with three real numbers: , , and . These represent the price per kg of the popular candies, the unpopular candies, and the assortment, respectively.
Output one real number rounded to one decimal place, which is the number of grams of popular candies in the assortment. If it is not possible to determine this, output .
Example 1