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Any help is great find the missing length?

Any help is great find the missing length?-example-1
User Ryan Mills
by
8.2k points

1 Answer

9 votes

Answer:

3

Explanation:

Similar = proportional

solve with an equation

12 : 9 = 4 : x

x = 4 * 9 : 12

x = 3

User Li Ying
by
8.2k points

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