{"id":"aqua_rat:9e146a69ae8b4bae4bd941375fa7c281","source_id":"aqua_rat","source_item_id":"9e146a69ae8b4bae4bd941375fa7c281","external_id":null,"program":null,"section":"math","category_code":"PHM","category":"Preparing for Higher Math","subcategory_code":null,"subcategory":null,"form_id":null,"passage_id":null,"position":null,"scored":true,"layout_warning":null,"stem":"When I was 2 years old, my brother was half my age. Now I am 60 years old, how old is my brother?","stimulus":"","stimulus_html":null,"stem_html":"<p>When I was 2 years old, my brother was half my age. Now I am 60 years old, how old is my brother?</p>","rationale_html":"<p>Half of 2 is 1. =&gt;2+58=60-&gt; 1+58=59</p><p>Answer A</p>","correct_answer":["A"],"equiv_key":"167fc45abf1b9f22ca6f727e","has_media":false,"has_mathml":false,"has_table":false,"section_label":"Mathematics","options":[{"label":"A","content_html":"<p>A)59</p>","ord":0},{"label":"B","content_html":"<p>B)69</p>","ord":1},{"label":"C","content_html":"<p>C)79</p>","ord":2},{"label":"D","content_html":"<p>D)89</p>","ord":3},{"label":"E","content_html":"<p>E)99</p>","ord":4}],"passage":null,"attribution":{"source_id":"aqua_rat","source_name":"AQuA-RAT algebra word problems with rationales","rights_holder":"Google DeepMind and the AQuA-RAT contributors","canonical_url":"https://github.com/google-deepmind/AQuA","retrieved_from":"https://raw.githubusercontent.com/google-deepmind/AQuA/master/","attribution":"Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.","disclaimer":"AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.","license":"Apache License 2.0. Crowdsourced by DeepMind and published for free use, including commercially.","redistributable":true,"item_count":508},"equivalents":[]}