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Question
For summative evaluation in a certain school, 720 of the 1200 children were awarded A grade in Maths. What is the percentage of students getting A grade?
Sum
Solution
Suppose the students getting A grade are A%.
`"A"/100 = 720/1200`
∴ `"A"/100 xx 100 = 720/1200 xx 100`
∴ A = 60
∴ 60% students got A grade.
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