SOLUTION: duncan is 4 times older than tracey and tracey is 5 years older than lewis what is there ages

Question 1151465: duncan is 4 times older than tracey and tracey is 5 years older than lewis what is there ages

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
let d = Duncan's present age
let t = Tracey's age
let L = Lewis's
:
Write an equation for each statement
:
duncan is 4 times older than tracey
d = 4t
and tracey is 5 years older than lewis
t = L + 5
what is there ages
:
You can see there is no way to solve this, you have 3 unknowns and only two equations!
But
You can assume that d is a multiple of 4, and t has to be greater than 5
let's say t=6
then d=24
and L=1
Tracy's 6, Duncan is 24, and Lewis is 1, is a possibility
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