Question

find the number that makes the ratio equivalent to 1:2.
7:□
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Explanation:

Step1: Let the unknown number be \( x \). The ratio \( 7:x \) should be equivalent to \( 1:2 \). By the property of equivalent ratios, we have \( \frac{1}{2}=\frac{7}{x} \).

Step2: Cross - multiply the equation \( \frac{1}{2}=\frac{7}{x} \), we get \( 1\times x = 2\times7 \).

Step3: Calculate \( 2\times7 = 14 \), so \( x = 14 \).

Answer:

14