From a Point on a River, Two Boats Are Driven

question 81

Multiple Choice

From a point on a river, two boats are driven in opposite directions, one at 5 miles per hour and the other at 12 miles per hour. In how many hours will they be 51 miles apart?

• A)3 hours
• B)5 hours
• C)4 hours
• D)1 hour

---

Definitions:

Retina

The light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information.

Thalamus

A part of the brain located above the brainstem that acts as a relay center, directing sensory and motor signals to other parts of the brain.

Hippocampus

A region of the brain that is associated with memory formation, navigation, and the consolidation of information from short-term to long-term memory.

Lens

A transparent structure in the eye that helps to refract light to be focused on the retina for clear vision.