carol's age in years, can be expressed by reversing the digits in her father's age, in years. the sum of the digits in each age is 10.(adsbygoogle = window.adsbygoogle || []).push({});

the positive difference between carol's age in years, and her fater's age in years___36

a.>

b.<

c.=

d.uncertain

In my opinion, there are four pairs: (19,91),(28,82),(37,73),(46,64). the differences are 72,54,36,18 respectively. so I choose d. But the answer is b, I was confused. Am I wrong or the answer is incorrect? Can you throw some ideas? Any help would be much appreciated.

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# An age problem

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