Question

ratio and proportion 21:42:3:X find the value of x ​

Answer 1

Hey mate!!!

Answer:

X : 6

Step-by-step explanation:

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Answer 2

$\frac{21}{42 } = \frac{3}{x} \\ \\ \\ \frac{3 \times 42}{21} = x \\ \\ \\ \\ 3 \times 3 = x \\ \\ x = 6$
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