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Kin asked Mar 16, 2022

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What do I do for this question

Mathematics
high-school

Kin asked Mar 16, 2022

by Kin

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Answer:

Explanation:

a + 9 = 15

a = 15 - 9

a = 6

c + 9 = 16

c = 16 - 9

c = 7

d = c + 9

= 7 + 9

= 16

e = d + 15

= 16 + 15

e = 31

P(selecting a boy) = total boy /total pupils = 16/31

Mismas answered Mar 22, 2022

by Mismas

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