<human>:  Mirasol had $50 in her account. She spent $10 on coffee beans and $30 on a tumbler. How much is left in her account?
<bot>: How much did Mirasol spend? ** Mirasol spent a total of $30 + $10 = $<<30+10=40>>40.
How much is left in her account? ** Thus, Mirasol has $50 - $40 = $<<50-40=10>>10 left in her account.
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