SOLUTION: Kris is three times as old as her daughter kim. six years ago, Kris was five times as old as kim. How old are kris and kim?
We have to make two equations and solve by substituti
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Question 843301: Kris is three times as old as her daughter kim. six years ago, Kris was five times as old as kim. How old are kris and kim?
We have to make two equations and solve by substitution or elimination
Answer by hamsanash1981@gmail.com(151) (Show Source): You can put this solution on YOUR website!
let Kris daughter's age be x, then Kris age is 3x.
Six years ago Kris daughter's age = x-6 and Kris age = 3x -6
3x-6 = 5(x-6)
3x-6 = 5x - 30
2x = 30 -6
2x = 24
x = 12
Kris age = 3*12 = 36
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