devaughn,sageis2timessydneysage,thesumoftheiragesis78,whatissydneysage | MathCelebrity Forum

devaughn,sageis2timessydneysage,thesumoftheiragesis78,whatissydneysage

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devaughn,sageis2timessydneysage,thesumoftheiragesis78,whatissydneysage

Let d be Devaughn's age. Let s be Sydney's age. We have two equations:

  1. d = 2s
  2. d + s = 78
Substitute (1) into (2)
2s + s = 78
3s = 78

Entering 3x = 78 into the search engine, we get s = 26.
 
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