# Age ratios

The ratio of the age of the mother and daughter is 5:2 and after seven years the ratio will be 2:1.Before how many years was born the daughter?

Result

d =  14

#### Solution:

2m=5d
(m+7)=2(d+7)

-5d+2m = 0
-2d+m = 7

d = 14
m = 35

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