Mathematics, 23.07.2019 20:20 matt416760

Winnie wrote the following riddle: i am a number between 60 and 100. my ones digits is two less than my tens digit. i am a primer number. what number does winnie's riddle describe? winnie's friend marco guessed that her riddle was about the number 79. why can't 79 be the answer to winnie's riddle?

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Winnie wrote the following riddle: i am a number between 60 and 100. my ones digits is two less tha...