1994 AJHSME Problems/Problem 8
Problem
For how many three-digit whole numbers does the sum of the digits equal ?
Solution
Because , it follows that one of the digits must be a . The other two digits them have a sum of . The groups of digits that produce a sum of are and can be arranged as follows
The number of configurations is .
See Also
1994 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 7 |
Followed by Problem 9 | |
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All AJHSME/AMC 8 Problems and Solutions |