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Bookwork code: K18
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The ratio of boys to girls in a school play is 3 : 7. If there are 30 children in
total, how many boys are there?
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Respuesta :

Answer:

9

Step-by-step explanation:

3 + 7 = 10

30 / 10 = 3

3x3 = 9

(Meeting character limit)

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