The speed of the worm given is required.
The speed of the worm is [tex]6\ \text{mm/min}[/tex]
The distance a worm crawled in [tex]8\ \text{minutes}[/tex] is [tex]48\ \text{mm}[/tex]
[tex]8\ \text{minutes}=48\ \text{mm}[/tex]
Dividing by [tex]8[/tex] on both sides
[tex]1\ \text{minute}=\dfrac{48}{8}=6\ \text{mm}[/tex]
The worm crawls 6 mm in 1 minute.
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