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Question 1
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A school has 600 students. The distribution of students by grade is: Grade 1 - 15%, Grade 2 - 20%, Grade 3 - 25%, Grade 4 - 20%, Grade 5 - 20%. What is the total number of students in Grade 1 and Grade 5 combined?
A.
180
B.
200
C.
210
D.
240
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