Two Search-And-Rescue Teams Leave Base Camp at the Same Time

question 295

Short Answer

Two search-and-rescue teams leave base camp at the same time, looking for a lost child. The first team, on horseback, heads north at 3 mph, and the other team, on foot, heads south at 1.5 mph. How long will it take them to search a distance of 18 miles between them?
__________ hr

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Definitions:

Precava

Often referred to as the superior vena cava, it is a large vein that carries deoxygenated blood from the upper body to the heart.

Internal Jugular Vein

A major vein that carries blood from the head, brain, face, and neck back towards the heart.

Axillary Vein

A large blood vessel that conveys blood from the lateral aspects of the thorax, armpit, and upper limb toward the heart.

Brachiocephalic Vein

A large vein in the upper chest that is formed by the union of the internal jugular and subclavian veins and drains blood from the head, neck, and upper extremities.