elijahhaha
elijahhaha elijahhaha
  • 12-04-2022
  • Mathematics
contestada

Find the Missing Numerator and Denominator

3/? x ?/4 = 9/20

PLEASE HELP I WILL MARK YOU AS BRAINLEST!

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sqdancefan
sqdancefan sqdancefan
  • 14-04-2022

Answer:

  missing denominator: 5

  missing numerator: 3

Step-by-step explanation:

You know the product of fractions is formed by multiplying numerators and multiplying denominators.

  [tex]\dfrac{3}{d}\times\dfrac{n}{4}=\dfrac{3n}{4d}=\dfrac{9}{20}[/tex]

This gives rise to two equations:

  3n = 9   ⇒   n = 3

  4d = 20   ⇒   d = 5

The missing denominator is 5; the missing numerator is 3.

__

  [tex]\dfrac{3}{5}\times\dfrac{3}{4}=\dfrac{9}{20}[/tex]

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