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Find the missing number _____:7 = 12:21 A. 4 B. 12 C. 3 D. 14

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User Firegnom
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1 Answer

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___ : 7 = 12 : 21

21 : 7 = 3
12 : 3 = 4

_4_ : 7 = 12 : 21

check
4 · 3 = 12
7 · 3 = 21
answered
User Jon Mountjoy
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8.7k points

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