If you have 30 NM to go and your ground speed is 60 knots, how many minutes until arrival?

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Multiple Choice

If you have 30 NM to go and your ground speed is 60 knots, how many minutes until arrival?

Explanation:
Time equals distance divided by speed. At 60 knots, you cover 60 nautical miles in 60 minutes, which is 1 nautical mile per minute. To go 30 nautical miles, you need 30 minutes. You can also see it as 30 NM ÷ 60 NM/hour = 0.5 hours, and 0.5 hours × 60 minutes/hour = 30 minutes.

Time equals distance divided by speed. At 60 knots, you cover 60 nautical miles in 60 minutes, which is 1 nautical mile per minute. To go 30 nautical miles, you need 30 minutes. You can also see it as 30 NM ÷ 60 NM/hour = 0.5 hours, and 0.5 hours × 60 minutes/hour = 30 minutes.

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