Answer:
15 min
Explanation:
2/5 divided by 6
=2/5 * 1/6
=2/30
=1/15
2/5 m ÷ by 6 minutes is the unit rate (can you do this division?)
On careful reading, I see that you're asked for minutes per meter, so that 6 min divided by 0.4 m, which is 2.5 times 6 min or 15 minutes per meter.
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