Question
Luis had some $2 notes and $20 notes. The ratio of his $2 notes to $20 notes was 9 : 1. If Luis had a total of $532, how many pieces of notes did he have altogether?
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Luis had some $2 notes and $20 notes. The ratio of his $2 notes to $20 notes was 9 : 1. If Luis had a total of $532, how many pieces of notes did he have altogether?