SOLUTION: sonu is 20 years older than monu. in 8 years sonu will be 4 times old as monu find thiwe present ages.

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Question 667217: sonu is 20 years older than monu. in 8 years sonu will be 4 times old as monu find thiwe present ages.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sonu is 20 years older than monu. in 8 years sonu will be 4 times old as monu find thiwe present ages.
s = m + 20
(s+8) = 4(m+8)
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substitute for "s" and solve for "m":
m + 20 + 8 = 4m + 32
3m = -4
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Note: 3m cannot be negative.
Check your problem statement.
Cheers,
Stan H.