SOLUTION: 1) A mother is five times as old as her daughter. If the sum of their ages 6 years ago was 60, find their present ages. 2) A boy is 12 years old. His mother is 4 times as old. In

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Question 1040548: 1) A mother is five times as old as her daughter. If the sum of their ages 6 years ago was 60, find their present ages.
2) A boy is 12 years old. His mother is 4 times as old. In x years time, the mother will be three times as old as the son. Form an equation in x and hence find x.
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
m = 5d
m-6+d-6 = 60 substitute for m:
5d-6+d-6 = 60
6d-12 = 60
6d = 72
d = 12 The daughter is 12 and the mother is 5(12) = 60
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Check:
(12-6)+(60-6) = 60 Correct.