Mathematics, 24.09.2021 17:00 frisha

A submarine and a cruise ship left Hawaii at the same time. The vessels traveled in opposite directions. The cruise ship traveled 3 km/h faster than the submarine. After nine hours they were 495 km apart. Find the submarine's speed.
The submarine's speed was
kph.

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A submarine and a cruise ship left Hawaii at the same time. The vessels traveled in opposite directi...