Kelly Sells 70 Shares of Stock She Owns for a Total

question 4

Multiple Choice

Kelly sells 70 shares of stock she owns for a total of $480. If the stock was in two different companies, one selling at $4.50 a share and the other at $8.25 a share, how many of each did she sell?

• A)26 at $4.50 and 44 at $8.25
• B)30 at $4.50 and 40 at $8.25
• C)22 at $4.50 and 48 at $8.25
• D)29 at $4.50 and 41 at $8.25
• E)23 at $4.50 and 47 at $8.25

Identify the geographic and environmental issues in specific regions.

Understand the global impact of North America's solid waste production.

Recognize companies' initiatives towards pollution prevention and waste minimization.

Comprehend different waste management approaches and their effectiveness.

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Definitions:

Rubik's Cube

A 3D combination puzzle invented by Ernő Rubik in 1974, consisting of a cube with each of its six faces covered by nine stickers, each of one of six solid colors.

Law of Effect

A principle stating that behaviors followed by satisfying consequences are more likely to be repeated, while those followed by unsatisfying consequences are less likely to be repeated.

Reinforcement

In behavioral psychology, a process by which a behavior is strengthened or increased by its consequences.

Positive Reinforcement

A method of behavior modification that involves rewarding a desired behavior in order to increase the likelihood of it occurring again.