becca9898
  • becca9898
Please help!! Kara is 4 more than twice as old as Julia. The sum of their ages is 13. How old is Julia?
Mathematics
jamiebookeater
  • jamiebookeater
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imqwerty
  • imqwerty
let julia's age be x kara;s age will be 2x+4 sum of thie ages will be -->x + (2x+4) its given that sum of ages is13 so x+2x+4=13 3x+4=13 3x=9 x=3 so julia is 3
anonymous
  • anonymous
So simplify the word problem. that's \[x = \frac{ 13 - 4}{ 2}\] Find x.
becca9898
  • becca9898
9/2 would be 4.5, that does not seem right. I think after going over my work the answer would have to be 3

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