SOLUTION: Hhow many2-digit numbers have one digit that is twice the other??
Algebra.Com
Question 1027004: Hhow many2-digit numbers have one digit that is twice the other??
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
This is a small enough list we can just name the numbers,
12
21
24
36
42
48
63
84
you can also view this as pairs
12, 21
24, 42
36, 63
48, 84
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