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.
Algebra ->
Customizable Word Problem Solvers
-> Age
-> 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.
Log On
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)