Question 894724
R is as much younger to S as he is older to M
 If the sum of ages of S and M is 60 years what is the age of R.
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Equations::
S - R = R - M
S + M = 60
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Modify::
S + M = 2R
S + M = 60
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2R = 60
R = 30 yrs
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Cheers,
Stan H.
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