A car dealer paid a certain price for a car and marked it up by \displaystyle \frac{7}{5} 5
7

of the price he paid. Later, he sold it for $24,000. What was the original price?

Which of the following is an example of negative reinforcement? a.marty knocks over his mother's prize fern so she gives him a time out. b.gwen mows the lawn and her dad takes her out for ice cream. c.tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

Compare the objectives and strategies of organized labor and populists for challenging the prevailing economic beliefs and practices of the ''gilded age.''

Working to improve the working conduit a factory is an example of