Question

A submarine is diving from the water surface at a speed of 10 m per minute.
How far is the submarine from the water surface at the end of 5 minutes?
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Answer 1

Answer:

if the submarine is diving at a speed =10m/m.

then the submarine will be 50m far away from the water surface.

bcz,10×5=50...

Answer 2

Answer:

per minute = 10

per 5 minutes = ?

10×5=50

Therefore the submarine from the water surface

at the end of 5 minutes = 50