selizabethcupchurch selizabethcupchurch
  • 07-02-2022
  • Mathematics
contestada

21/x =6/8, x is an unknown number what is it?

Respuesta :

semsee45
semsee45 semsee45
  • 07-02-2022

Answer:

x = 28

Step-by-step explanation:

21/[tex]x[/tex] = 6/8

cross multiply:             21 x 8 = 6 x [tex]x[/tex]

Combine like terms:         168 = 6[tex]x[/tex]

Divide both sides by 6:      28 = [tex]x[/tex]

Answer Link
valderramaangel2016
valderramaangel2016 valderramaangel2016
  • 07-02-2022

Answer:

x=28

Step-by-step explanation:

21/x = 6/8

21/x = 3/4

84=3x

3x/84

x=28

Answer Link

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