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, 303 and 3
773 are all peachy, but the numbers 32152, 786, 340, and 3999 are not peachy.
How many positive 2-digit numbers are peachy?
1 answer:
Answer:
18
Step-by-step explanation:
33-1
3r-9
r3-8
r means random digit
9+8+1=19
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