EllieIsStuck
EllieIsStuck EllieIsStuck
  • 15-06-2020
  • Mathematics
contestada

My maths watch question is in the attachment i am really stuck on this topic. Please can you help. Thanks

My maths watch question is in the attachment i am really stuck on this topic Please can you help Thanks class=

Respuesta :

09pqr4sT
09pqr4sT 09pqr4sT
  • 15-06-2020

Answers:

[tex]20.9\\34[/tex]

Working:

[tex]\frac{19+19+20+20+20+21+22+22+22+22+23}{11} =20.90909091[/tex]

[tex]\frac{19+19+20+20+20+21+22+22+22+22+23+x}{12}=22[/tex]

[tex]19+19+20+20+20+21+22+22+22+22+23+x=264\\230+x=264\\x=34[/tex]

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