Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 250X+210(30-X) <5700 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        250 * X + 210 * ( 30 - X ) <5700         (1)

---

    From inequality(1)：
         X < -15

---

    The final solution set is :
         X < -15

Your problem has not been solved here? Please take a look at the  hot problems ！