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. thnx.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# A weird math problem

**Physics Forums | Science Articles, Homework Help, Discussion**