justingue03 justingue03
  • 20-06-2018
  • Mathematics
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devaughn is 9 years younger than sydney. The sum of their ages is 45. What is sydneys age?

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percypercy168otvzio
percypercy168otvzio percypercy168otvzio
  • 20-06-2018
Sydney's age is 27 years of age. A way to do this is by subtracting 9 from 45 to get 36 and dividing it by 2 which gets you 18 and then adding 9 to that number since 18 is how old Devaughn is
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skylilly212 skylilly212
  • 20-06-2018
x+x-9 = 45
2x-9 = 45
2x=54
x=27

Sydney is 27.
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