{"status": "success", "data": {"description_md": "A bank teller has some stacks of bills. The total value of the bills in each stack is \\$1000. Every stack contains at least one \\$20 bill, at least one \\$50 bill, and no other types of bills. If no two stacks have the same number of \\$20 bills, what is the maximum possible number of stacks that the teller could have?\n\n$\\text{(A)}\\ 9\\qquad\\text{(B)}\\ 10\\qquad\\text{(C)}\\ 11\\qquad\\text{(D)}\\ 4\\qquad\\text{(E)}\\ 8$\n\n___\n\n**[Cayley](https://www.cemc.uwaterloo.ca/contests/past_contests.html#pcf), by [CEMC](https://cemc.uwaterloo.ca/), is licensed under the [CC BY-NC 3.0 DEED](https://creativecommons.org/licenses/by-nc/3.0/). They are not affiliated with or endorse TopsOJ in any way.**\n", "description_html": "<p>A bank teller has some stacks of bills. The total value of the bills in each stack is \\$1000. Every stack contains at least one \\$20 bill, at least one \\$50 bill, and no other types of bills. If no two stacks have the same number of \\$20 bills, what is the maximum possible number of stacks that the teller could have?</p>\n<p><span class=\"katex--inline\">\\text{(A)}\\ 9\\qquad\\text{(B)}\\ 10\\qquad\\text{(C)}\\ 11\\qquad\\text{(D)}\\ 4\\qquad\\text{(E)}\\ 8</span></p>\n<hr>\n<p><strong><a href=\"https://www.cemc.uwaterloo.ca/contests/past_contests.html#pcf\">Cayley</a>, by <a href=\"https://cemc.uwaterloo.ca/\">CEMC</a>, is licensed under the <a href=\"https://creativecommons.org/licenses/by-nc/3.0/\">CC BY-NC 3.0 DEED</a>. They are not affiliated with or endorse TopsOJ in any way.</strong></p>\n", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 2, "problem_name": "2015 Cayley Problem 19", "can_next": true, "can_prev": true, "nxt": "/problem/15_cayley_p20", "prev": "/problem/15_cayley_p18"}}