Discussion
A number multiplied by seven-ninths gives 63. The number is:
Answer: D
From \(\dfrac{7}{9}x = 63\), multiply both sides by \(\dfrac{9}{7}\) to get \(x = 63 \times \dfrac{9}{7} = 81\). Check: seven-ninths of 81 is \(7 \times 9 = 63\). Multiplying by the fraction instead of its reciprocal gives 49, the first distractor.
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