3 over 7=12 overd

The missing denominator is Response area.

7 over 10=n over 100
The missing numerator is

1 answer

To solve the two problems you provided:

  1. For the equation \( \frac{3}{7} = \frac{12}{d} \), you can find the missing denominator (d) by cross-multiplying:

    \[ 3 \cdot d = 7 \cdot 12 \]

    This simplifies to:

    \[ 3d = 84 \]

    Now, divide both sides by 3:

    \[ d = \frac{84}{3} = 28 \]

    So, the missing denominator is 28.

  2. For the equation \( \frac{7}{10} = \frac{n}{100} \), you can find the missing numerator (n) by cross-multiplying again:

    \[ 7 \cdot 100 = 10 \cdot n \]

    This simplifies to:

    \[ 700 = 10n \]

    Now, divide both sides by 10:

    \[ n = \frac{700}{10} = 70 \]

    So, the missing numerator is 70.

In summary:

  • The missing denominator is 28.
  • The missing numerator is 70.
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