1990 AJHSME Problems/Problem 10
Problem
On this monthly calendar, the date behind one of the letters is added to the date behind . If this sum equals the sum of the dates behind and , then the letter is
Solution
Let the date behind be . Now the date behind is , and after looking at the calendar, the date behind is . Now we have for some date , and we desire for to be . Now we find that is the date behind , so the answer is ~motorfinn
See Also
1990 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 9 |
Followed by Problem 11 | |
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