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  • If 2 : 9 :: x : 18, then find the value of x
Question 1:
If 2 : 9 :: x : 18, then find the value of x
A. 2
B. 3
C. 4
Feedback Treat 2:9 as 2/9 and x:18 as x/18, treat :: as = So we get 2/9 = x/18
9x = 36
x = 4
D. 6

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