montgomery montgomery
  • 29-01-2015
  • Mathematics
Answered

in 4 years, a mother will be 5 times as old as her daughter. At present, the mother is 9 times as old as the daughter. How old are the mother and daughter today.

Answer :

kateaero87 kateaero87
  • 29-01-2015
let x represent daughters age and y the mother's age
y=9x
9x+4=5(x+4)
9x+4=5x+20
4x=16
x=4
which means today the daughter is 8 years old and the mother is 40 years old
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