A submarine begins its descent from the surface of the water. If it dives 5/2 metres each minute for
16 minutes, what is the final position of the submarine? Write your answer as a rational number.
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A submarine begins its descent from the surface of the water. If it dives 5/2 metres each minute for
16 minutes, what is the final position of the submarine? Write your answer as a rational number.
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Answer:
18 mins.
Explanation:
Time taken to travel 20 m = 1 min
Time taken to travel 360m =
x
min
therefore:
1
20=x360
(cross multiply)
20
x
=360
(isolate
x
by dividing both sides by 20)
x
=
360
20
x = 18 mins.
Answer:
18 minutes correct answer
Step-by-step explanation:
Is answer