Set Up an Equation That Can Be Used to Solve

question 71

Multiple Choice

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 30 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.

• A) 4.3 mph
• B) 3.4 mph
• C) 6.9 mph
• D) 6.4 mph

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Definitions:

Phosphate Group

A functional group consisting of a phosphorus atom bonded to four oxygen atoms, important in energy transfer and storage molecules like ATP.

Clone

Genetic copy of an organism.

Genetic Copy

A genetic copy refers to an organism or cell that has the exact same genetic makeup as another, essentially a synonym for a clone but often used in the context of molecular genetics.

Johannes Miescher

A Swiss biologist who discovered nucleic acids, thus laying the groundwork for the field of molecular biology.