Question

By what number should we multiply-16/21, so that their product may be 4/7?

Answer 1

Hi friend
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Your answer
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Let the required number be x.

Then,
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$\frac{ - 16}{21} \times \: x = \frac{4}{7} \\ \\ = > \: x = \frac{4}{7} \times \frac{ - 21}{16} \\ \\ = > \: x = \frac{ - 3}{4}$


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