winnie wrote the following riddle i am a number between 60 and 100 my ones digit is two less than my tens digits im a prime number. Winnies friend guessed that her riddle was about 79. Why cant 79 be the answer.
SahilAhmad:
'cause the tens digit is not less by ones digit by 2
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'cause the ones digit is not less than the tens digit by 2
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