Answers

2014-01-09T23:09:12+01:00
Son=x                father=25+x
x+25+x=53
2x+25=53
2x=53-25
2x=28
x=14
son=14               father=25+14
                                    =39
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2014-01-09T23:18:29+01:00
Son=x Father=25+x
x+25+x=53
2x+25=53
2x=53-25
2x=28
x=14
son=14    father=25+14
Sum of their ages =39
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