missyis14 missyis14

18-09-2017
Mathematics

contestada

A mother is three times as old as her daughter. Six years ago the mother's age was six times that of her daughter. What is their present age?

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sirdavidcopperfield sirdavidcopperfield

18-09-2017

The mum's age now = N
The daughter's age now = n
N=3n
N-6=6(n-6)
3n-6=6n-36
3n=30
n=10
The daughter's age now = 10
The mum's age now = 30

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