In a class of 30 pupils, 21 are girls. What percentage of the class is boys?In a class of 30 pupils, 21 are girls. What percentage of the class is boys?In a class of 30 pupils, 21 are girls. What percentage of the class is boys?In a class of 30 pupils, 21 are girls. What percentage of the class is boys?
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Answer:30%
Step-by-step explanation:
Boy Count = 30-21
-> 9
9/30 x 100
30%
Answered by
0
Answer:
100/30= 3,3 (1%)
21*3,3=69,3 % (a percetage of girls)
100-69,3=30,7% (a percatage of boys)
Step-by-step explanation:
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