A Study Finds That 35 in 100 Adults Use Marijuana

question 179

Multiple Choice

A study finds that 35 in 100 adults use marijuana. At this rate, in a town of 4,000 adults, how many would be expected to be marijuana users?

• A)1,600
• B)1,500
• C)1,400
• D)1,700

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Definitions:

Lewis Theory

A concept in chemistry that explains chemical bonding based on the loss, gain, or sharing of electrons in the outermost shell of atoms or molecules.

Ionic Bond

A type of chemical bond formed through the electrostatic force between oppositely charged ions.

Electrons

Subatomic particles with a negative electric charge, found in all atoms and acting as the primary carrier of electricity in solids.

Valence Shells

Valence shells are the outermost shell of an atom that contains the electrons most likely to be involved in chemical reactions.