Forming and Solving a Compound Inequality from a Grade Requirement
Forming and Solving a Compound Inequality from a Grade Requirement
Secondary 3
To receive a grade B for a course, a candidate must have a mean score of at least \(80\) but less than \(90\) in three examination papers.
The full score in each paper is \(100\).
A student scored \(83\) and \(75\) in the first two papers.
What range of score should this student have in the third paper in order to get a grade B for the course?
Video Solution:
Video solution locked
A free account saves your progress; this video needs tuition enrolment.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(82 \leq x \leq 100\)
Need help? Join our IP Math tuition programme.
Learn more