Answer:
Step-by-step explanation:
probability of choosing a boy = 12 / 28 = 3 / 7
in % = 3 / 7 x 100 = 42,86%
probability of choosing an a student = (4 + 10) / 28 = 14 / 28 = 1 / 2
in % = 1 / 2 x 100 = 50%
3
15% of 20=0.15 x 20=3
Mmm, x is equals to -7....
<u>Answer</u>:
1) || 2)
<u>Explanation</u>:
1)
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2)