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Rudiy27
3 years ago
15

Anyone willing to help me?

Mathematics
1 answer:
svlad2 [7]3 years ago
7 0

Answer:

1/2

Step-by-step explanation:

Probably of selecting a boy:

20/30 = 2/3

and brought 10 up to 20:

45/60 = 3/4

so Probably of selecting a boy and brought 10 up to 20:

2/3 x 3/4 = 2/4 = 1/2

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