Question
Shiyun had an equal number of $50 and $10 notes. After spending 20 pieces of $10 and 10 pieces of $50 notes, the ratio of the $50 notes to $10 notes left was 3 : 1. Find the value of the notes at first.
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Shiyun had an equal number of $50 and $10 notes. After spending 20 pieces of $10 and 10 pieces of $50 notes, the ratio of the $50 notes to $10 notes left was 3 : 1. Find the value of the notes at first.