A car dealership sold two cars: the first car at a 10% profit and the second car at a 10% loss, which gave them an overall profit margin of 5% from these two sales. If the dealership's total profit was $1000, what was the sale price of each car?
(A) $5,000 and $1,000
(B) $9,000 and $5,000
(C) $11,000 and $9,000
(D) $15,000 and $5,000
(E) $20,000 and $10,000
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In a study of factors affecting employee satisfaction, investigators polled staff at eight companies with over $100 million in revenues and benefits including flexible schedules and on-site daycare. The investigators found that overall satisfaction levels at the companies were high, that the companies enjoyed profit margins averaging over 20% over the last five years, and that the rates of employee departures at these companies had varied between 1% and 5% over this period.
Which of the following conclusions may be drawn from the information above?
(A) Flexible schedules and daycare are important benefits for raising overall levels of employee satisfaction.
(B) High profitability levels for companies with revenues over $100 million are most likely the result of high employee satisfaction levels.
(C) Companies without daycare and flexible-schedule benefits have higher rates of employee departures than do those with these benefits.
(D) At least 95% of employees will stay for at least one year at some companies with daycare benefits.
(E) More companies have recently begun offering daycare and flexible schedule benefits to attract potential employees who are also parents.
Answers to the questions: D
For explanations please see these threads: math
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