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Question

# Find the total number of students in all the grades.

A
23,120
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B
24,120
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C
24,100
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D
24,020
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Solution

## The correct option is B 24,120 From the table, we see: Number of smileys for Grade 3 = 8 Number of smileys for Grade 4 = 6 Number of smileys for Grade 5 = 6 Number of smileys for Grade 6 = 4 So, total number of smileys = 8 + 6 + 6 + 4 = 24 1 smiley represent 1005 students. So, total number of children in all grades=24×1005 Writing the higher number up and right-aligning them, we get: So, the total number of children in all the grades = 24,120

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