Eqvixx Eqvixx
  • 24-09-2020
  • Mathematics
contestada

Samantha is four years older than Perla.
Karla is twice as old as Samantha. The sum
of their ages is 36. How old is Karla?

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themonster12301
themonster12301 themonster12301
  • 24-09-2020
Karla would be 20 years old
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vrherring vrherring
  • 24-09-2020
(X+4)+x+2(x+4)=36
X+4+x+2x+8=36
4x+12=36
4x=24
X=6


(X+4)=Samantha
X=perla
2(x+4)=Karla

Plug in x into 2(x+4)
2(6+4)
2(10)
20

So Karla is 20
Answer Link

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