2014 UNM-PNM Statewide High School Mathematics Contest II Problems/Problem 8
Problem
A certain country uses bills of denominations equivalent to and . The ATM machines in this country can give at a single withdrawer any amount you request as long as both bills are used. Show that you can withdraw if and only if you cannot withdraw , where x + y = .
Solution
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See also
2014 UNM-PNM Contest II (Problems • Answer Key • Resources) | ||
Preceded by Problem 7 |
Followed by Problem 9 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
All UNM-PNM Problems and Solutions |