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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 18a+9（50-a） ≥【60a+40（50-a）】*0.25 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        18 * a + 9 * ( 50 - a ) ≥ ( 60 * a + 40 * ( 50 - a ) ) * 0.25         (1)

---

    From inequality(1)：
         a ≥ 25/2

---

    The final solution set is :
         a ≥ 25/2

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