1976 AHSME Problems/Problem 5
Problem
How many integers greater than and less than , written in base- notation, are increased by when their digits are reversed?
Solution
Let our two digit number be , where is the tens digit, and is the ones digit. So, . When we reverse our digits, it becomes . So, . So, our numbers are .~MathJams
1976 AHSME (Problems • Answer Key • Resources) | ||
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