SOLUTION: 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 the daughter today?
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Question 942086: 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 the daughter today? Answer by TimothyLamb(4379) (Show Source):
You can put this solution on YOUR website! x = mother age now
y = daughter age now
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x + 4 = 5(y + 4)
x = 9y
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put the system of linear equations into standard form
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x - 5y = 16
x - 9y = 0
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 36
y = 4
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