Before being simpilified, the instructions for computing income tax in Country R were to add 2% of one's annual income to the average(mean) of 100 units of Country R's currency and 1% of one's annual income. Which of the following represents the simplified formula for computing the income tax, in Country R's currency. for a person in thar country whose annual income is I? 答案50+I/40 这个完全不懂了..
A certain city with a population of 132,000 is to be divided into 11 districts, and no district is to have that is more than 10% greater than the population of any other district. What is the minimum possible population that the least populated district could have? 答案11,000。 这个也不会额 - -