SOLUTION: Rhona conducts a survey of the ages of students in eleventh grade at her school. On November 1, she finds the average age is 200 months. She also finds that two-thirds of the stude

Question 315095: Rhona conducts a survey of the ages of students in eleventh grade at her school. On November 1, she finds the average age is 200 months. She also finds that two-thirds of the students are within 3 months of the average age. Write and solve an equation to determine the age limits for this group of students.
Answer by malaydassharma(59) (Show Source): You can put this solution on YOUR website!
Let S be the total no of students
Then , S/3=200 ......(i)

And,
OR , this also includes eq (i)
Hence, the required inequality is

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