Solve the Problem and Answer the Question

question 84

Multiple Choice

Solve the problem and answer the question.
-A boat moves 6 kilometers upstream in the same amount of time it moves 17 kilometers downstream. If the rate of the current is 5 kilometers per hour (kph) , find the rate of the boat in still water.

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Definitions:

Large Molecules

Macromolecules formed by the joining of smaller molecules, often complex structures essential for life, like proteins, nucleic acids, carbohydrates, and lipids.

Hydrolysis

Water-requiring chemical reaction that breaks a molecule into smaller subunits.

Carbohydrate

Carbohydrates are a group of organic compounds including sugars, starch, and cellulose that serve as a major energy source in the diet of animals.

Energy Store

The capacity of a system to contain energy for later use, often in the form of chemical bonds, mechanical position, or heat.