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Solve the problem.
-Fernando's motorboat can travel 35 mi/h in still water. If the boat can travel 7 miles downstream in the same time it takes to travel 3 miles upstream, what is the rate of the river's current?
Submarine Warfare
A mode of naval warfare in which submarines utilize stealth and underwater capabilities to attack and disrupt enemy vessels and shipping.
Passenger Vessels
Ships or boats that carry people from one place to another, over bodies of water, offering services ranging from basic transport to luxury cruises.
Economic Power
the ability of a country, corporation, or individual to influence or control economic activities, outcomes, or policies through wealth, production, or other economic resources.
Petroleum
A natural liquid found beneath the Earth's surface that can be refined into fuel, lubricants, and various types of petrochemicals.
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