There are 104 left handed students. you can get this answer by dividing the amount of right handed students by 9 (from ratio). Then multiply that answer by 2 (from ratio) to get your answer
This is pretty weird: ax+ b > c is equivalent to ax + b > 0, for instance. c might always be chosen as zero, or b, or any value!
280x <= 348.76, or -280x + 348.76 >= 0,
so a = -280, b = 348.76 and c = 0 is one solution
19.16666666666666666666666
The answer is 407.5, it's an exponential decay function