Without the first 10 snowflakes, there are 58-10=<<58-10=48>>48 snowflakes needed.

48/4=12 5-minute intervals are needed to get the additional snowflakes.

12*5=<<12*5=60>>60 minutes passed.

# Answer

60
Question:
There were 10 snowflakes at first. It snowed an additional 4 snowflakes every 5 minutes. How many minutes passed before there were 58 snowflakes?
Answer:
Let's think step by step.

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60
There were 10 snowflakes at first. It snowed an additional 4 snowflakes every 5 minutes. How many minutes passed before there were 58 snowflakes?
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