Question 1132093
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Read this part first:
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if she (Mother) is 50 years old now?
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M = 50
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The daughter is 36 years younger than her mother. 
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 D = M - 36
 D = 50 - 36
 D = 14
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How many years ago was the mother 5 times the daughters age, 
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  M - Y = 5(D - Y)
 50 - Y = 5(14 - Y)
 50 - Y = 70 - 5Y
    +5Y      + 5Y
 ----------------
 50 +4Y = 70
-50      -50
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     4Y = 20
      Y = 20/4
      Y = 5 years ago.

Checking: 5 years ago the Mother was 45 and the Daughter was 9
and indeed 45 is 5 times 9.

Edwin</pre>