SOLUTION: please help me solve this question:present ages of anu and raj are in the ratio 4:5 eight years from now the ratio of thier ages will be 5:6 find thier present ages.

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Question 458411: please help me solve this question:present ages of anu and raj are in the ratio 4:5 eight years from now the ratio of thier ages will be 5:6 find thier present ages.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
please help me solve this question:present ages of anu and raj are in the ratio 4:5 eight years from now the ratio of their ages will be 5:6 find thier present ages.
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Equations:
a/r = 4/5
(a+8)/(r+8) = 5/6
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5a - 4r = 0
6a - 5r = -8
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30a - 24r = 0
20a - 25r = -40
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r = 40 yrs (raj's age now)
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Solve for "a":
a/r = 4/5
a/40 = 4/5
a = 32 yrs (anu's age now)
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Cheers,
Stan H.
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