SOLUTION: the ages of the mother and her daughter are 45 and 5 respectively. in how many years will the mother be three times as old as her daughter.
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Question 209802: the ages of the mother and her daughter are 45 and 5 respectively. in how many years will the mother be three times as old as her daughter.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
the ages of the mother and her daughter are 45 and 5 respectively.
in how many years will the mother be three times as old as her daughter
:
let t = no. of years for this to happen
45 + t = 3(5+t)
45 + t = 15 + 3t
t - 3t = 15 - 45
-2t = -30
t =
t = 15 yrs for this to happen
;
:
Check:
45 + 15 = 3(5+15)
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