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![I spent 2 minutes doing mental math every day for 50 days in a row. Here's how many problems I was able to do each day in those 2 minutes. [OC] : r/dataisbeautiful](https://i.redd.it/g6c7p59euyi51.png "I spent 2 minutes doing mental math every day for 50 days in a row. Here's how many problems I was able to do each day in those 2 minutes. [OC] : r/dataisbeautiful")
I spent 2 minutes doing mental math every day for 50 days in a row. Here's how many problems I was able to do each day in those 2 minutes. [OC] : r/dataisbeautiful
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