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Mathematics

Grade9

Easy

Question

If $fraction numerator x over denominator y end fraction equals fraction numerator 2 over denominator 7 end fraction$ , then which of the following satisfies reciprocal property?

7x = 2y
$\frac{y}{x} = \frac{7}{2}$
$\frac{x}{2} = \frac{y}{7}$
$x + \frac{y}{y} = 2 + \frac{7}{7}$

hint Hint:

Reciprocal property of proportions states that the reciprocals of the given ratio is also equal.

The correct answer is: 7x = 2y

Reciprocal property of proportions states that the reciprocals of the given ratio is also equal.
$fraction numerator y over denominator x end fraction equals fraction numerator 7 over denominator 2 end fraction$
reciprocal of $x over y space$ is $y over x$ and reciprocal of $7 over 2$ is $2 over 7$ .
Then By Reciprocal property of proportions, $fraction numerator y over denominator x end fraction equals fraction numerator 7 over denominator 2 end fraction$ .

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