{"status": "success", "data": {"description_md": "Mary thought of a positive two-digit number. She multiplied it by $3$ and added $11$. Then she switched the digits of the result, obtaining a number between $71$ and $75$, inclusive. What was Mary's number? \n\n$\\textbf{(A)}\\ 11\\qquad\\textbf{(B)}\\ 12\\qquad\\textbf{(C)}\\ 13\\qquad\\textbf{(D)}\\ 14\\qquad\\textbf{(E)}\\ 15$", "description_html": "<p>Mary thought of a positive two-digit number. She multiplied it by  <span class=\"katex--inline\">3</span>  and added  <span class=\"katex--inline\">11</span> . Then she switched the digits of the result, obtaining a number between  <span class=\"katex--inline\">71</span>  and  <span class=\"katex--inline\">75</span> , inclusive. What was Mary&#8217;s number?</p>\n<p> <span class=\"katex--inline\">\\textbf{(A)}\\ 11\\qquad\\textbf{(B)}\\ 12\\qquad\\textbf{(C)}\\ 13\\qquad\\textbf{(D)}\\ 14\\qquad\\textbf{(E)}\\ 15</span> </p>\n<hr><p>Full credit goes to <a href=\"https://maa.org/\">MAA</a> for authoring these problems. These problems were taken on the <a href=\"https://artofproblemsolving.com/\">AOPS</a> website.</p>", "hints_md": "", "hints_html": "", "editorial_md": "", "editorial_html": "", "flag_hint": "", "point_value": 1, "problem_name": "2017 AMC 10B Problem 1", "can_next": true, "can_prev": false, "nxt": "/problem/17_amc10B_p02", "prev": ""}}