A ship can cover a certain distance in 10 hours at a speed of 16 nautical miles per hour. By
how much should its speed be increased so that it takes only 8 hours to cover the same
distance? (A nautical mile in a unit of measurement used at sea distance or sea wateri.c.
1852 metres).
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1
Answer:
20 nautical miles
Step-by-step explanation:
Distance covered in 10 hours = speed per hour × time
= 16 nautical miles × 10
= 160 nautical miles
Time to cover the same distance = 8 hours
So the speed required is
Distance ÷ Time
= 160÷8
=20
Hence 20 nautical miles per hour is required to cover the same distance in 8 hours.
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