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We call a number peachy if every digit in the number is either a 3 or next to a 3 For example, the numbers 333, 83, and 333 are all peachy, but the numbers  32523, 340, and 3999 are not peachy.

How many positive 2-digit numbers are peachy?

 Mar 13, 2022
 #1
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There are 40 2-digit numbers that are peachy.

 Apr 9, 2022

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