Question

find the value of Y 21÷77= 3÷y​

Answer 1

Answer:

$\frac{21}{77 } = \frac{3}{y} \\ \frac{21}{77 \times 3} = \frac{1}{y } \\ \frac{21}{231} = \frac{1}{y} \\ y = \frac{231}{21} \\ y = 11$

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