SOLUTION: A hardware store sells numerals for house number. It has large quantities of the numerals 3, 5, and 8 but no other numerals. How many different house numbers, with no more than 3 d

Question 752570: A hardware store sells numerals for house number. It has large quantities of the numerals 3, 5, and 8 but no other numerals. How many different house numbers, with no more than 3 digits, can be made form those numerals?
A) 33
B)21
C)27
D)36
E)39
Thanks!
Well, so far I've worked out that you could have A =3 B= 5 and C=8, and then go a, aa, aaa, ab,abb,aab,ac,acc, aac, but I always get confused even when I write it down. Thanks for bothering to help me!
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
The 3 digit numbers total 3x3x3=27
The 2 digit numbers total 3x3 = 9
Last 3 single digit = 3
39 total
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