I need help on this question (^～^;)ゞ​

Five more than the product of a number n and 8 is at least 100. write an inequality that can be used to find all positive values of n

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement